• Anatomy
     A Case of Spinal Cord Injury 1. Functional anatomy of the spinal cord includes white and grey mater, tracts, roots and spinal nerves. White matter: consists of mylenated nerve fibers and they function to regulate electrical signals between neuronal...
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  • Factors Associated with Spinal Cord Lesion Among the Patients Attending at Centre for the Rehabilitation of the Paralysed (Crp)
    spinal tracts (white matter) surrounding central areas (gray matter) where most spinal neuronal cell bodies are located. The gray matter is organized into segments comprising sensory and motor neurons. Axons from spinal sensory neurons enter and axons from motor neurons leave the spinal cord via...
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  • Exam 1 Notes
    * Axon ends * Dendrite beginnings * The white matter on each side of the cord is divided into funiculi. * A ganglion is a clump of bodies outside of the CNS, while a nucleus is a clump of bodies in the CNS. * The primary branch has incoming nerves and outgoing nerves. The...
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  • Finals
    is made of the axons of motor neurons carrying impulses from the spinal cord to muscles or glands. The cell bodies of these motor neurons, as mentioned previously, are in the gray matter of the spinal cord. When the two nerve roots merge, the spinal nerve thus formed is a mixed nerve. SPINAL...
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  • Paper
    cord at its superior end. It extends from the foramen magnum to the pons. Because of its location, all ascending and descending nerve fibers connecting the brain and the spinal cord must pass through it. Some of the nuclei in the gray matter relay ascending impulses to the other side of the brain stem...
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  • Grey's Anatomy Chapter 1 Outline
    structurally composed of two systems. 1. The Central Nervous System- brain and spinal chord. 2. The Peripheral Nervous System- all structures outside the CNS. b. Components of the CNS Brain- composed of the cerebral hemispheres, the cerebellum, and the brainstem. 1. Gray Matter- outer...
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  • Anatomy Exam
    of the neurons, when they sense an injured neuron they turn into a special type of macrophage and destroy the cell Ependymal cell: they line the central cavities of the brain and spinal cord form a permeable barrier Oligodendrocytes: wrap and protect along thicker nerve fibers In the PNS...
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  • Bio 201 Lab 9
    between white matter and gray matter in the spinal cord? The major difference between white and gray matter within the spinal cord is that white matter is primarily composed of myelinated nerve fibers, while the nerve fibers of gray matter are not B. Cervical and lumbar spinal cord areas have...
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  • Bipolar Case Study
    column. The gray matter of the spinal cord consists mostly of cell bodies and dendrites. The surrounding white matter is made up of bundles of interneuronal axons (tracts). Some tracts are ascending (carrying messages to the brain), others are descending (carrying messages from the brain). The spinal...
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  • Nervous System Questions
    the brain. The functions of the spinal cord are conduction, locomotion, and reflexes. 9. What are the different parts of the spinal cord (include white and gray matter, and spinal nerves)? Below is a diagram of the different parts of the spinal cord (your notes and power point gave me this...
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  • Brain & Cranial Nerves
    expressions * Intuition, emotion, artistic and musical skills Cerebral White Matter -Different areas of the cerebral cortex communicate: * With each other * With the brainstem and spinal cord Fibers are usually myelinated and bundled into tracts Cerebral White Matter Types of tracts...
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  • Chapter 12 the Central Nervous System
    ) carry proprioceptive inputs to the cerebellum C) give rise to conscious experience of perception D) are found in the dorsal columns of the spinal cord Answer: B 8) The spinal cord has gray matter on the ________. A) outside, white matter on the inside, and a dorsal motor root B) inside...
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  • Medical Law and Ethics
    sheath (white matter). Those without a myelin sheath are called unmyelinated (gray matter). Nerves are made of bunched together neurons. Nerves either carry impulses to the brain and spinal cord or carry messages from the brain and spinal cord. Central Nervous System Review page 165-166 in the...
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  • Bio Exam Notes
    spinal nerves, attached to the cord by paired roots * Cervical and lumbar enlargements: sites where nerves serving the upper and lower limbs emerge * Horse tail: collection of lumbar and sacral spinal nerve roots at the inferior end of the vertebral canal White matter in the spinal cord...
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  • week4cc
    the bloodstream. 12. What are the differences between horns, roots, tracts, and columns of the spinal cord? Horns are areas of gray matter in the spinal cord. Roots are sections of spinal nerves just before they enter the spinal cord. Tracts are long projections of white matter (axons) that...
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  • ANS and SNS
    . The rest of the large intestine and the pelvic organs are served by the sacral outflow, which arises from neurons located in the lateral gray matter of spinal cord segments S2–S4. B. Sympathetic (Thoracolumbar) Division (pp. 530–534; Figs. 14.3, 14.5–14.6; Table 14.1) 1. The sympathetic...
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  • Happiness
    brain stem in terms of neural transmission to and from the body 19a. How many spinal nerves are present in a normal human subject? 19b. Briefly describe spinal nerves. 20a. Explain why the cervical enlargements of the spinal cord larger than the lumbar enlargement 20b. What is the lumbar...
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  • Anatomy and Physiology Notes
    -ah). Because ganglia are made up primarily of unmyelinated nerve cell bodies, they are masses of gray matter. A tract is a bundle of fibers inside the CNS. Tracts can run long distances up and down the spinal cord. Tracts are also found in the brain and connect parts of the brain with each other...
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  • Special Gift
    Spinal Cord Peripheral Nervous system Cranial Nerve Spinal Nerve Autonomic nervous system Central Nervous System Consists of two masses gray matter – inner mass and consists of nerve cell bodies white matter – outer mass and consists of bundles of axon plus myelin sheaths...
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  • history
    : white matter, grey matter, ventral roots and dorsal roots. 11. Identify the following structures of the brain: three types of meninges, convolutions (gyrus, sulcus, fissue), ventricles, cerebrospinal fluid, and blood-brain barrier. 12. Briefly describe the sequence of development (hindbrain...
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