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ANP

The Spinal Cord and Meninges

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