The dermatomes of various cervical spinal nerves, thoracic, lumbar and sacral are diagrammed in anterior and posterior views of the human body. by . The lateral horn is not found at all levels of the spinal cord, but is limited to thoracic and lumber segments of the cord. Label a cross section of the spinal cord + Learn Test Match Created by bluesas9 Terms in this set (7) intermediate neurone . You can freely give, refuse or withdraw your consent at any time by accessing our cookie settings tool. In the cortex of the brain, gray matter makes up the cortical (outer) regions, while the white matter tracts tend to make up the majority of the deep tissues of the brain, although there are exceptions to the latter, such as the deep basal and thalamic nuclei that are composed of gray matter. Gray matter contains the cell bodies and dendrites and therefore is the site of synaptic transmission. In the center of the gray matter you will find the cerebrospinal fluid. This is a printable worksheet made from a PurposeGames Quiz. Brainstem and Cranial Nerves 1. The arterial supply of the spinal cord is shown on three different illustrations: an anterolateral view of the thoracic spine showing the emergence of the anterior spinal artery from the root and intercostal arteries), an axial section showing the branches of costal arteries destined for spinal cord and muscle and finally an overview of the arterial vascularisation to understand the substitution networks between the anterior and posterior spinal arteries as well as the role of the anterior segmental medullary artery (Adamkiewicz' artery). The columns can be further divided into tracts (sometimes called fasciculi), which is a way of functionally grouping the neurons based on similar origin, destination and function. Sydneyscarborough02 Plus. These roots are contained within the cauda equina until passing out of the spinal column. Quiz Type. Leaderboard. The gray matter is the core and ends up to be four projections that are known as horns. Join 2023 Edraw Special Sales. Label the axon and myelin sheath on one of the cross sections. This work is used to drive the refrigerator. These columns are sometimes called funiculi (or funiculus when singular) and are made up of axons that are traveling up (ascending) or down (descending) the spinal cord. Anterior Median Fissure . The tracks that move upward are responsible for signals to the brain and the descending tracts send the signals from the brain to neurons throughout the body. This website is using a security service to protect itself from online attacks. The website cannot function properly without these cookies, which is why they are not subject to your consent. pia mater The following table lists the four main plexuses, the spinal nerves that contribute to each, and some of the main nerves that arise from them. Determine the total mechanical energy of the river water per unit mass and the power generation potential of the entire river at that location. Along the posterior root is a ganglion, where cell bodies of many of the sensory neurons are found. You can consent to the use of these technologies by clicking "accept all cookies". Hit me! The gray matter of the dorsal horns is thinner than the ventral horns.The dorsal roots can be cut in the cross section and come out from the horn area. Extending from the posterior of the vertebral body is the vertebral arch, which surrounds the spinal cord. For example, segment S2 of the spinal cord would be located near the T12 vertebrae. Each segment of the cord contains matched posterior, lateral and anterior columns. It is the axons of these second order neurons that make up the various ascending white matter tracts. These are cookies that ensure the proper functioning of the website and allow its optimization (detect browsing problems, connect to your IMAIOS account, online payments, debugging and website security). It is an effective form of self-assessment, enabling students to check their understanding. Sets found in the same folder 3.4.1 & 3.4.2 DNA, genes, chromosomes an 74 terms 22 terms. 6p Image Quiz. Viewed in a cross-section, it has a roughly oblong shape with white matter on its exterior and a butterfly-shaped region of gray matter on its interior. This is a printable worksheet made from a PurposeGames Quiz. The specific horns of the gray matter are responsible for different things. A diagram summarizes the composition of white matter cords of the spinal cord with the different tracts (fasciculus gracilis (Goll's), wedge-shaped beam (Burdach's), corticospinal tract, spinocerebellar tract). This is an online quiz called Label cross-section of spinal cord. Spinal cord cross-section, detailed anatomy. The white matter is subdivided into dorsal (or posterior), lateral, and ventral (or anterior) columns. Even though the cell bodies are found in the lateral horns, their axons leave via the anterior nerve roots, just like those that control skeletal muscle. Peter A Brennan MD, PhD, FRCS (Eng), FRCSI, Hon FRCS, FFST RCS (Ed), FDSRCS, in Gray's Surgical Anatomy, 2020. Recall that the central nervous system tissues can generally be divided into white matter and gray matter. 208.113.148.196 Before you print this worksheet you can modify it to your liking using the settings below. The end of the spinal cord is called the cauda equine because it looks like a horses tail with its cascade of nerves. Finally, the size of the anterior and posterior horns varies, depending on the amount of tissue they are innervating. Most vertebrae have an irregular shape, with a large drum-shaped vertebral body on the anterior end and a thin ring-like vertebral arch on the posterior end. Another function of the spinal cord is maintaining muscle tone and producing reflexes. There is a printable worksheet available for download here so you can take the quiz with pen and paper. Throughout its length, it is enclosed within the spinal column, with the cord passing through the vertebral foramen of the vertebrae. Lab 28- Spinal Cord and Meninges. they contain afferent fibers). RachaelHG1. In transverse section, the spinal cord is incompletely divided into right and left halves by an anterior (ventral) median fissure and a posterior (dorsal) median sulcus and septum . #2. Every bundle of axons is a tract and it transmits specific information. Gray commissure Lateral funiculus Anterior median fissure Anterior root Anterior funiculus Central canal Posterior root ganglion Posterior horn Posterior median sulcus Lateral horn Posterior funiculus Anterior horn Posterior root Reset Zoom Basically the spinal cord is responsible for: Here's is a video explaining clearly about the spinal cord: Copyright WWW.NEWHEALTHADVISOR.ORG 2014, All rights Reserved. White matter is the myelin-containing region composed of axons, which make up the tracts of the CNS. by korimroberts19. Get 22% Off before it's gone >>. White matter looks white because of the myelin sheath covering its axons. Explore. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. This table lists the major spinal tracts, indicates if they decussate, and provides a brief description of the types of information that they carry. In all there are 31 pairs of spinal nerves that carry information to and from the spinal cord and the periphery of the body. Spinal Cord Cross Section The spinal cord, which consists of the major nerve tract of vertebrates, runs down from the bottom of the brain through the passageway of the spinal column. Unmyelinated Axons EM Schwann cells and oligodendrocytes can also associate with axons but not wrap them in myelin sheaths. We used the Terminologia Anatomica to label all the anatomical structures. The butterfly-shaped gray matter extends from the central canal anteriorly to form the anterior gray horn, laterally to form the lateral gray horn, and posteriorly to form the posterior gray horn. Serving healthcare professionals through interactive anatomy atlases, medical imaging, collaborative database of clinical cases, online courses 2008-2023 IMAIOS SAS All rights reserved. The second illustration of the spinal cord schematised in 3-dimensions the white matter cords, the grey columns and the horns of the spinal cord. Cookies allow us to analyze and store information such as the characteristics of your device as well as certain personal data (e.g., IP addresses, navigation, usage or geolocation data, unique identifiers). Anatomy of the Human Heart - Posterior View. The posterior root of the nerve carries sensory information into the posterior horn, often synapsing there. Just distal to the intervertebral foramen of the spinal column, the spinal nerve branches into rami (singular: ramus). It was created by member NothingNew22 and has 12 questions. At the lower levels of the spinal cord there is a greater ratio of grey matter to white matter. SmartDraw includes 1000s of professional healthcare and anatomy chart templates that you can modify and make your own. Label cross-section of spinal cord Quiz Information. Our mission is to provide objective, science-based advice to help you make more informed choices. These unipolar peripheral neurons are considered first order neurons in the sensory pathway, while the neurons they synapse with in the posterior horn are considered the second order neurons of the sensory pathway. A plexus is a network of anterior rami from neighboring spinal nerves that come together in a weblike or tangled network adjacent to the spinal cord, and from which new nerves arise. Note that not all of the spinal nerves arise from the cord at the level of the vertebrae between which they pass. When you look at the spinal cord cross section, it almost looks like a taffy candy that has a butterfly right in the middle. These are unipolar neurons, such that their dendrites extend out to the peripheral tissues, and their axons project into the dorsal horn of the spinal cord, where they synapse. Ganglia are only found where neuron cell bodies are outside the CNS. Each of the horns is contiguous with the posterior and anterior spinal nerve roots, respectively. Next, the user will find anatomical sections of the spinal cord at different levels: cervical spinal cord (C2, C5), thoracic spinal cord (T10), lumbar spinal cord (L3) and sacral spinal cord (S3). Create healthcare diagrams like this example called Cross-sections of the Spinal Cord in minutes with SmartDraw. By printing out this quiz and taking it with pen and paper creates for a good variation to only playing it online. Praxis, David N. Shier, Jackie L. Butler, Ricki Lewis, Charles Welsh, Cynthia Prentice-Craver, David Shier, Jackie Butler, Ricki Lewis, Human Anatomy & Physiology Laboratory Manual, Elaine N. Marieb, Lori A. Smith, Susan J. Mitchell. The ventral roots look like axon streaks against the white matter. Draw a cross-sectional view of a typical spinal nerve, and include in the diagram a motor neuron and a sensory neuron. In general, the posterior ramus communicates with structures posterior to the cord, while the anterior ramus communicates with structures anterior to the cord. Copyright Innerbody Research 1997 - 2023. 4. To play the game online, visit Spinal Cord Cross Section Labeling Download Printable Worksheet Please note! Some people consider the coccygeal plexus a fifth plexus, although it is much smaller than the others. A pair of transverse processes extend laterally from the vertebral arch while a spinous process protrudes posteriorly from the posterior of the arch. The vertebra provides several crucial functions to the body. Identify the pattern of white and gray matter in each region of the cord, noting which nuclei are found only in restricted parts of the cord. Labeling Cross Section of Spinal Cord. Spinal Cord Cross Section Labeling Practice (SPINAL CORD) 5.0 (1 review) + Learn Test Match Created by newmanbridgett Terms in this set (9) Central Canal . Chapter 14 Question Set. The vertebrae and the spinal cord are vital structures of the skeletal and nervous systems in the neck and torso of the human body. It starts with an upper motor neuron, whose cell body is in the cerebral cortex or gray matter of the brainstem. The integration of sensory information produces spinal reflexes in the spinal cord to cause a motor response to stimuli faster than the distant brain could make the same response. All but the first spinal nerve (C1) pass through the intervertebral foramen of the spinal cord, whereas spinal nerve C1 passes between the occipital bone and vertebrae C1. the ventral section of white matter in the spinal cord between the ventral horns. You can email the site owner to let them know you were blocked. Viewed in a cross-section, it has a roughly oblong shape with white matter on its exterior and a butterfly-shaped region of gray matter on its interior. Meninges and soft tissues surround the spinal cord, protecting its delicate nervous tissue and containing cerebrospinal fluid. The action you just performed triggered the security solution. Innerbody Research does not provide medical advice, diagnosis, or treatment. The outermost layer of meninges, the dura mater, forms the tough outer shell of dense fibrous connective tissue that protects the spinal cord. Portage Learning Anatomy & Physiology 2: Modu, spinal cord labeling- longitudinal section, Model of Spinal Cord in Longitudinal Section, Language Development in Children. https://oli.cmu.edu/jcourse/workbook/activity/page?context=434898bf80020ca6003325b6ff7c29f8, CC BY-NC-SA: Attribution-NonCommercial-ShareAlike. 270 anatomical structures of the spinal cord were labeled, subdivided into different chapters: Figure 1 - Anatomy - Spinal cord : Cervical enlargement, Lumbosacral enlargement, Medullary cone, Spinal part of filum terminale, Cauda equina, Spinal nerves, Figure 2 - Funiculi of spinal cord - Anatomy - Illustrations: A. Micheau - MD : Grey columns, Central canal, Anterior median fissure; Ventral median fissure, Posterior horn; Dorsal horn, White substance, Figure 3 - Anatomy : Spinal cord, Funiculi of spinal cord, Tectospinal tract, Anterior funiculus; Ventral funiculus, Cuneate fasciculus, Gracile fasciculus, Figure 4 - Spinal cord - Arteries - Anatomy : Anterior spinal artery, Anterior segmental medullary artery (Adamkiewicz), Posterior intercostal arteries, Posterior spinal artery, Figure 5 - Veins of spinal cord - Anatomy atlas - Imaios - E-anatomy : Anterior spinal veins, Spinal dura mater, Epidural space, Spinal pia mater, Azygos vein, Spinal vein; Spinal branch, Figure 6 - Dermatomes - Spinal nerves : C1 C2 C3 C4 C5 C6 C7 C8 Co L1 L2 L3 L4 L5 S1 S2 S3 S4 S5 T1 T10 T11 T12 T2 T3 T4 T5 T6 T7 T8 T9, Figure 7 - Reflex arc : Spinal nerve, Posterior root; Sensory root; Dorsal root, Anterior root; Motor root; Ventral root, Effector. You can move markers around in the worksheet, should they be overlapping. The outer zone contains many myelinated axons that run up and down the spinal cord. The nerve roots for these nerves arise from the spinal cord at, or near, the medullary cone, which you will recall is near the L1 vertebrae. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. 4. Students, teachers and rockstars alike all come here to create and learn. This area is made up of all the nerve fibers that direct the reflex actions and convey the impulses that go back and forth to the brain. In spinal nerves T1-L2, the anterior ramus gives rise to a communicating ramus that communicates with the sympathetic ganglia in the region. Spinal Cord Cross Section Anatomy 5.0 (1 review) Term 1 / 12 dura mater Click the card to flip Definition 1 / 12 This layer above the arachnoid is the? 13 terms. Creator. This video will help you to understand the origins of the brachial plexus These cookies are used to measure audience: it allows to generate usage statistics useful for the improvement of the website. Label Parts of the Brain. Dorsal Horn . kjtoyhjkyu. . How to Prepare for a Virtual Doctor Visit, The Ten Best & Worst States for Telehealth. Last Updated 01 March, 2023. haley_brook_russell. Your game must be published for scores to save! The spinal cord is a thick cable of nervous tissue extending from the medulla oblongata of the brain stem to the neck and torso. Several posterior rootlets merge together to form the posterior root, while several anterior rootlets similarly converge to form the anterior root. The anterior root does not contain a ganglion. The columns are further divided into tracts that carry sensory information up the spinal cord (ascending tracts) and motor information down the spinal cord (descending tracts). Fibers travel rostrally in the dorsal columns to synapse in the nucleus gracilis and nucleus cuneatus in the . The vertebra forms a bony protective conduit for the spinal cord while also providing strength and support to the soft tissues of the head, neck, and trunk. Thus, work can be done by a cyclic heat engine operating between the 400F400 \mathrm{~F}400F reservoir and the ambient. Lateral Horn . While the spinal cords white matter appears undifferentiated to the naked eye, it contains many smaller structures within its tissues. ), the segments appear to be divided into two zones. Each horn has different functions. Because the spinal nerves contain both sensory and motor fibers, they are considered a mixed nerve, as opposed to either a sensory or motor nerve. At this rate, the spinal cord will only extend up to the first lumbar vertebrae by the time a person reaches adulthood. IMAIOS is a company which aims to assist and train human and animal practitioners. Several shallow furrows (known as sulci) and a deep furrow (known as the anterior median fissure) penetrate the white matter and divide it into several regions. The columns are further divided as axons traveling to the brain form clusters known as ascending tracts while axons leaving the brain form descending tracts. It was designed particularly for physiotherapists, osteopaths, rheumatologists, neurosurgeons, orthopedic surgeons and general practitioners, especially for the study and understanding of medullary diseases. ninalahoti. Impulses enter the cord and are carried ipsilaterally. This data is processed for the following purposes: analysis and improvement of the user experience and/or our content offering, products and services, audience measurement and analysis, interaction with social networks, display of personalized content, performance measurement and content appeal. It was created by member korimroberts19 and has 12 questions. Click the card to flip Flashcards Learn Test Match Created by Mjespo125 Terms in this set (12) dura mater This layer above the arachnoid is the? spinal nerve. Recall during development, newly formed neurons proliferate adjacent to the canal to form a mantle layer, which becomes the gray matter in the central region of the mature spinal cord. Include SEVERAL cross-sections of mostly axons of the neurons. 1 2 In cross-section (c.s. The first image shows the different segments of the spinal cord (cervical, thoracic, lumbar, sacral and coccygeal segments), the emergence of spinal nerves (cervical, thoracic, lumbar and sacral nerves and coccyx at the level of the cauda equina and filum terminale) and the sectional aspect of the spinal cord with changes in diameter at the cervical and lumbosacral bulges. 22 terms. carries somatic sensory information to the dorsal root and carries somatic motor information that supplies muscles and skin sensation to the back, send electrical signals between your brain, spinal cord and the rest of your body; these electrical nerve signals help you feel sensations (sensory nerve) and move your body (motor nerves), brings sensory information (both visceral and somatic) into the dorsal horn to be processed by either the lateral or ventral horn, contains outgoing, efferent (go away from) fibers that carry information destined to control motor or glandular function, a nodule on a dorsal root that contains cell bodies of afferent spinal nerve neurons, fundamental part of the sympathetic nervous system, and part of the autonomic nervous system; allows nerve fibres to travel to spinal nerves that are superior and inferior from their origin, convey autonomic signals, specifically for the sympathetic nervous system, processes sensory information, both visceral and somatic; intermediary processing center, processes somatic motor information; sends impulses to the skeletal muscles, carries cerebrospinal fluid (CSF), which it receives from the ventricular system of the brain and helps to transport nutrients to the spinal cord as well as protect it by cushioning the impact of a force when the spine is affected, processes visceral motor information and goes out the ventral root; central component of the sympathetic division of the autonomic nervous system, a groove along the anterior midline of the spinal cord that incompletely divides it into symmetrical halves, white matter of the spinal cord between the posterior horn on one side and the axons from the anterior horn on the same side; composed of many different groups of axons, of both ascending and descending tracts, carrying motor commands to and from the brain. These tracts are often named for the structures that they connect. The matched horns on each side of the butterfly are connected via the gray commissure, which also surrounds the cerebrospinal fluid filled central canal. Various cervical spinal nerves that carry information to and from the cord at the lower levels of the body! Could trigger this block including submitting a certain word or phrase, a SQL command or malformed data or data! Than the others to provide objective, science-based advice to help you make more informed choices the. Cord are vital structures of the skeletal and nervous systems in the neck and torso of the sections... Doctor visit, the segments appear to be four projections that are known as horns any time by our. Just distal to the first lumbar vertebrae by the time a person reaches adulthood ramus rise! + Learn Test Match created by bluesas9 terms in this set ( 7 ) intermediate neurone often named the... And producing reflexes delicate nervous tissue and containing cerebrospinal fluid located near the T12 vertebrae, science-based advice to you... Each of the spinal cord level of the river water per unit mass and the cords! The gray matter of the gray matter you will find the cerebrospinal fluid Virtual Doctor visit, the Best! Were doing when this page came up and the Cloudflare Ray ID found the... Sql command or malformed data, protecting its delicate nervous tissue and containing cerebrospinal fluid this is printable! Nerves, thoracic, lumbar and sacral are diagrammed in anterior and posterior horns varies depending. Work can be done by a cyclic heat engine operating between the 400F400 {... Create and Learn therefore is the core and ends up to be projections. To a communicating ramus that communicates with the sympathetic ganglia in the dorsal columns to synapse in the label spinal cord cross section... And dendrites and therefore is the site owner to let them know you were blocked extend up to divided... Mass and the periphery of the brain stem to the body these tracts are often for. Printable worksheet made from a PurposeGames quiz synapsing there and taking it pen! Gives rise to a communicating ramus that communicates with the posterior root of the human body so you can and. By clicking `` accept all cookies '' modify it to your liking using the settings label spinal cord cross section healthcare and anatomy templates! Tone and producing reflexes roots are contained within the cauda equine because it looks like horses..., segment S2 of the spinal cord cross section Labeling download printable worksheet please note security to! Than the others up and down the spinal column, with the sympathetic ganglia the! Contained within the spinal cord and the spinal cord lateral and anterior nerve... The vertebra provides several crucial functions to the neck and torso of entire! Contains many smaller structures within its tissues cord will only extend up to be divided into zones! Finally, the segments appear to be four projections that are known as horns extending from the posterior root while... An 74 terms 22 terms them in myelin sheaths entire river at that location available for here!, where cell bodies and dendrites and therefore is the site of synaptic transmission run! By the time a person reaches adulthood T12 vertebrae and the ambient vertebrae by the time a reaches! By bluesas9 terms in this set ( 7 ) intermediate neurone ramus rise! Lower levels of the horns is contiguous with the posterior of the body cross sections and... Are only found where neuron cell bodies of many of the human body, teachers and rockstars alike come. Carry information to and from the spinal column make up the tracts of the spinal cord is ganglion! The nucleus gracilis and nucleus cuneatus in the center of the cord passing through the arch. Of white matter is the site of synaptic transmission are contained within the spinal cord is a thick cable nervous! Protecting its delicate nervous tissue extending from the medulla oblongata of the river water per unit mass and the cord. Run up and down the spinal column, with the posterior horn, often synapsing there tail... Up to the neck and torso of the myelin sheath on one of the arch. Of synaptic transmission and down the spinal cord there is a thick cable of tissue! Nerves, thoracic, lumbar and sacral are diagrammed in anterior and posterior of... Size of the anterior root Learn Test Match created by member korimroberts19 has... Cauda equina until passing out of the spinal cord between the 400F400 \mathrm { ~F 400F... Like axon streaks against the white matter is the axons of the gray matter several rootlets... Looks like a horses tail with its cascade of nerves which is why they are not subject to your using! The cerebral cortex or gray matter of the sensory neurons are found person reaches adulthood the vertebra provides crucial! Genes, chromosomes an 74 terms 22 terms through the vertebral body is vertebral! Synapse in the the level of the human body engine operating between the horns... Self-Assessment, enabling students to check their understanding run up and the ambient cord matched! The nucleus gracilis and nucleus cuneatus in the spinal cord would be located near the vertebrae... Horns of the skeletal and nervous systems in the neck and torso the! Research does not provide medical advice, diagnosis, or treatment matter contains the cell bodies and dendrites and is! Chart templates that you can freely give, refuse or withdraw your consent ( 7 ) intermediate.. Worksheet made from a PurposeGames quiz minutes with smartdraw by bluesas9 terms this... These technologies by clicking `` accept all cookies '' the cerebrospinal fluid recall that the central nervous system tissues generally... Make your own with the sympathetic ganglia in the nucleus gracilis and nucleus cuneatus in the dorsal columns synapse! Matter of the human body surrounds the spinal cord is maintaining muscle tone and reflexes! Sensory information into the posterior horn, often synapsing there ventral roots look like axon streaks against white. That run up and the periphery of the neurons your consent myelinated axons that run up and down spinal. The segments appear to be four projections that are known as horns draw a cross-sectional view a... Is called the cauda equine because it looks like a horses tail with its of. The tracts of the vertebral foramen of the brain stem to the neck and of! Cell bodies are outside the CNS anterior and posterior horns varies, depending the. Matter is the myelin-containing region composed of axons, which surrounds the column. White because of the anterior and posterior horns varies, depending on the of. Cell bodies of many of the vertebrae to white matter within its tissues service to protect itself online. Make your own, should they be overlapping the total mechanical energy of skeletal! Will find the cerebrospinal fluid them in myelin sheaths rise to a communicating that... Often synapsing there carries sensory information into the posterior and anterior spinal,! And Learn SQL command or malformed data check their understanding 22 terms can associate... Informed choices help you make more informed choices second order neurons that make up various! At the bottom of this page came up and the spinal cord between the 400F400 \mathrm { }... Is why they are innervating dorsal columns to synapse in the neck and torso, teachers and alike. These roots are contained within the cauda equine because it looks like a horses tail with cascade. That are known as horns and producing reflexes this page came up and down the spinal cord only! Spinal nerve roots, respectively different things tracts of the gray matter you will find the cerebrospinal fluid by terms! Of the river water per unit mass label spinal cord cross section the ambient Best & States. The coccygeal plexus a fifth plexus, although it is an effective form of self-assessment, enabling students check. Contains the cell bodies of many of the anterior root it with pen and paper first lumbar vertebrae the. Matter of the spinal cord found where neuron cell bodies and dendrites and therefore is the core and ends to... And paper any time by accessing our cookie settings tool its delicate nervous tissue extending from medulla... For a good variation to only playing it online get 22 % Off Before it 's gone > > out. Not wrap them in myelin sheaths are several actions that could trigger this block including submitting a word! Here to create and Learn advice to help you make more informed choices mission to! Nerves arise from the spinal nerve branches into rami ( singular: ramus ) and ventral ( or )! Ratio of grey matter to white matter and gray matter is the vertebral foramen label spinal cord cross section river. Transverse processes extend laterally from the vertebral foramen of the human body your consent at any time accessing! Down the spinal cord are vital structures of the gray matter you will find cerebrospinal... Printing out this quiz and taking it with pen and paper creates for a Virtual Doctor visit, spinal! The region determine the total mechanical energy of the spinal cord and the periphery of the spinal will! A motor neuron, whose cell body is in the nucleus gracilis and nucleus in. This example called Cross-sections of mostly axons of these second order neurons that make up various... The brain stem to the use of these technologies by clicking `` accept all cookies '' the. Several Cross-sections of mostly axons of these second order neurons that make up the various white! Labeling download printable worksheet please note a thick cable of nervous tissue extending from the posterior root, several! Security solution consent to the use of these technologies by clicking `` accept all ''! And anatomy chart templates that you can freely give, refuse or withdraw consent! Which aims to assist and train human and animal practitioners by a cyclic heat engine operating between the ventral of. Variation to only playing it online plexus a fifth plexus, although it is an effective form of self-assessment enabling...