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23 Cards in this Set
- Front
- Back
ascending tract to brain to interpret touch, pressure, and body movements
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fasciculus gracilis
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descending tract whose fibers conduct motor impulses to sweat glands and muscles to control tone
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reticulospinal
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descending tract whose fibers conduct motor impulses to skeletal muscles
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corticospinal
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ascending tract to cerebellum necessary for coordination of skeletal muscles
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posterior spinocerebellar
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ascending tract to brain to gibe rise to sensation of temp & pain
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lateral spinothalamic
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band of pia matter that attaches dura maatter to cord
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denticulate ligament
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channel through which venous blood flows
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dural sinus
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outermost layer of meninges
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dura matter
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follows irreg contous of spinal cord surface
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pia matter
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contain cerevrospinal fluid
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subarachnoid space
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thin weblike middle membrane
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arachnoid matter
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seperate dura matter fro bone of vertebra
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epidural space
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each of thirthy one segments of spinal cord gives rise to pair of
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spinal nerves
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bulge in spinal cord gives off nerves to upper limbs
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cervical enlargement
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bulge in spinal cord gives off nerves to lower limbs
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lumbar enlargement
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groove that extends length of spinal cord posteriorly
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posterior median sulcus
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spinal cord cross section, posterior ____ of gray matter resemble upper wings of butterfly
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horns
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cell bodies of motor neuron are found in ____horns of spinal cord
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anterior
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connects gray matter on left an right side of spinal cord
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gray commissure
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gray commissure of spinal cord contain cerebrospinal fluid & continuous with ventricles of brain
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central canal
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white matter of spinal cord divided into anterior, lateral, and posterior
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funiculi
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longitudinal vundles of nerve fibers within spinal cord comprise major nerve pathways
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nerve tracts
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collectively, dura matter, arachnoid matter, pia matter
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meninges
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