The Spinal Cord and Meninges
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each of the black spaces below before clicking
on it to display the answer.
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| The spinal cord gives rise to 31 pairs of | Spinal Nerves
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| The bulge in the spinal cord that gives off nerves to the upper limbs is called the | Cervical enlargement
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| The bulge in the spinal cord that gives off nerves to the lower limbs is called the | Lumbar enlargement
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| The (BLANK) is a groove that extends the length of the spinal cord posteriorly. | Posterior Median Sulcus
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| In a spinal cord cross section, the posterior (BLANK) of the gray matter resemble the upper wings of a butterfly. | Horns
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| The cell bodies of motor neurons are found in the (BLANK) horns of the spinal cord. | Anterior
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| The (BLANK) connects the gray matter on the left and right sides of the spinal cord. | Gray Commissure
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| The (BLANK) in the gray commissure of the spinal cord contains cerebrospinal fluid and is continuous with the ventricles of the brain. | Central Canal
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| The white matter of the spinal cord is divided into anterior, lateral, and posterior | Funiculus
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| The longitudinal bundles of nerve fibers within the spinal cord comprise major nerve pathways called | Nerve tracts
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| Ascending tract to the brain to interpret touch, pressure, and body movements. | Fasciculus gracilis
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| Descending tract whose fibers conduct motor impulses to sweat glands and muscles to control tone | Reticulospinal
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| Descending tract whose fibers conduct motor impulses to skeletal muscles | Corticospinal
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| Ascending tract to the cerebellum necessary for coordination of skeletal muscles | Posterior spinocerebellar
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| Ascending tract to the brain to give rise to sensations of temperature and pain | Lateral spinothalamic
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| Band of pia mater that anchors dura mater to cord | Denticulate Ligament
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| Channel through which venous blood flows | Dural sinus
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| Outermost layer of meninges | Dura mater
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| Follows irregular contours of spinal cord surface | Pia mater
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| Contains cerebrospinal fluid | Subarachnoid space
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| Thin, web like middle membrane | Arachnoid mater
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| Separates dura mater from bone of vertebra | Epidural space
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