• Test 3 Review
    - sciatic 59. Ascending tract of spinal cord- gracile fasciculus 60. Somatosensory refers to all expect-viscera 61. Neurosomas of posterior root and Neurosomas of anterior-posterior root ganglion and gray matter 62. Order of somatic reflex- somatic receptor then afferent then interneuron...
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  • Functions of the Brain
    FUNCTIONAL ANATOMY OF THE BRAIN I. HIND BRAIN A. Brain stem: A bundle of nervous tissue that connects the cerebrum to the spinal cord. It consists of numerous tracts if nerve fibers and several nuclei. The parts of the brain stem include the midbrain, pons, and medulla oblongata. 1...
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  • neurology
    from the brain to the periphery C1-L2 Protected by meninges, CSF & adipose tissue 2 Anterior horn- motor 2 Posterior horn- sensory Spinal cord Nerve tracts- white matter - ascending tract ( sensory ) - descending tract ( motor...
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  • The Bizzz
    blood pressure, which makes it difficult to maintain a comfortable body temperature. The spinal cord is made up of soft, jellylike bundles of long axons, wrapped in insulating myelin (white matter) and surrounded and protected by the vertebral bones. There are two major neural pathways in the spinal...
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  • Nuerons
    the information to the spinal cord. 4 In response to signals from the sensory neurons, motor neurons convey signals to the quadriceps, causing it to contract and jerking the lower leg forward. Gray matter Quadriceps muscle 1 The reflex is initiated artificially by tapping the tendon connected to...
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  • Bio 141 Lab Notes
    . h f 5. 6. e d 7. 8. a b 3. 4. h g 5. 6. e a 7. 8. c b 31 LABORATORY EXERCISE 26 SPINAL CORD AND MENINGES Figure Labels FIG. 26.1 1. Subarachnoid space 2. White matter 3. Dorsal root of spinal nerve 4. Ventral root of spinal nerve FIG. 26.2 1. Posterior horn...
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  • Unknown Paper
    , lies deep to cortex. The impulses carried by theses tracts allow different regions of cortex to communicate with one another. They also link cortex to other parts of the brain and spinal cord. The hippocampus plays a role in memory processing. This functions in verbal or language memory and short-term...
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  • Med Student
    spinal cord. 29) Preganglionic fibers of parasympathetic neurons are present in all of the following cranial nerves, except A) III. B) VII. C) IX. D) X. E) XII. 30) Each of the following effects is associated with the action of postganglionic sympathetic fibers, except A...
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  • Anatomy and Physiology I Final Exam Guide
    It is white because the myelinated nerve fibers are white in color Mostly found in cerebrum, but makes tracts to other areas In the spinal cord, it surrounds the inner core of gray matter It facilitates communication between grey matter areas of the brain and spinal cord Association tracts...
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  • Nervous System Study Guide
    does 10. GRAY MATTER VS WHITE MATTER Which one is myelinated and be able to label it on a spinal cord diagram 11. TYPES OF NEURONS (3) LOCATION OF INTERNEURONS Where are the cell bodies found and where do the axons travel to...
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  • Documents
    body to the brain. Descending nerve tracts send information pertaining to motor function from the brain to the rest of the body. Spinal cord has two major types of tissue. Gray matter contains the nerve cell bodies and all of the many thousands of connections between nerves. White matter is...
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  • The Brain and Cranial Nerves
    6. Production must equal reabsorption ! About 125 ml total at any time, maintain constant pressure. Read about hydrocephalus. II. The Brain Stem. = medulla, pons, midbrain. A. Medulla: a continuation of the spinal cord to the pons 1. White matter: both sensory and motor tracts are...
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  • Study
    ) that continues inferiorly to thesacrum and coccyx. The white matter of the spinal cord functions as the main conduit of nerve signals to the body from the brain. The grey matter of the spinal cord integrates reflexes to stimuli. Nerves Nerves are bundles of axons in the peripheral nervous system (PNS...
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  • A&P I Review
    is not a characteristic of nerve tissue?     A.  | It is found in the brain, spinal cord and nerves. | B.  | It contains cells that respond by transmitting impulses. | C.  | Its intercellular spaces are filled with collagen. | D.  | Its functional cells are sensitive to changes in their...
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  • Psychology 101 Notes
    makes up a nerve. Some axons are covered with a myelin sheath, made up of glial cells. The myelin sheath increases neuron efficiency and provides insulation. A typical myelinated neuron . [pic] NEURONS: THE MESSENGERS Neurons that carry messages from the sense organs to the brain or spinal cord...
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  • Anatomy Test 3
    functions. It is a loosely organized web of gray matter that runs vertically through all levels of the brainstem and has connections with many areas of the cerebrum. I occupies much of the space between the white fiber tracts and the more anatomically distinct brainstem nuclei. Functions include...
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  • a& p chapter 10
    and spinal cord c. white, and composing the white matter of the brain and spinal cord; gray, and composing the gray matter of the brain and spinal cord d. none of the above Answer: C 19. The process of transmitting a nerve impulse from one neuron to another involves a a. nerve impulse...
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  • Student
    its color from the myelin. White matter includes all of the nerves, and much of the interior of the brain and spinal cord. Grey matter is found in clusters of neurons in the brain and spinal cord, and in cortical layers that line their surfaces. There is an anatomical convention that a cluster of...
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  • Drugs & the Nervous System
    of the spinal cord are grouped into bundles of nerve fibers that travel in two pathways. Ascending nerve tracts carry sensory information from the body to the brain. Descending nerve tracts send information pertaining to motor function from the brain to the rest of the body.Brain The brain is the...
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  • Nervous System
    bodies of neurons. White matter is composed mainly of myelinated axons, and takes its color from the myelin. White matter includes all of the nerves, and much of the interior of the brain and spinal cord. Grey matter is found in clusters of neurons in the brain and spinal cord, and in cortical layers...
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