Â Spinal Cord and Spinal Nerves.86. In an adult, the spinal cord extends from the cervical...

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Â Spinal Cord and Spinal Nerves.
86. In an adult, the spinal cord extends from the cervical to the lumbar region.
Â a. true
Â b. false (the spinal cord extends the entire length of the spinal column to the coccyx)Â

87. The lower tip of the spinal cord is the
Â a. gray commisure b. white commisure c. denticulate ligament
Â d. conus medularis e. spinothalamic tract

Â 88. The \"cauda equina\" (horse's tail) is
Â a. a sheath of connective tissue which attaches the spinal cord to the skull
Â b. an extension of pia mater which attaches the spinal cord to the coccyx
Â c. a space between each vertebrae through which the spinal nerves exit
Â d. a column of gray matter extending from the spinal cord to the medulla
Â e. a group of spinal nerves which extends down from the end of the spinal cord

Â 89. Which of the above is the filium terminale?

Â 90. The coverings surrounding the outside of the spinal cord are the
Â a. meninges b. endoneurium c. sulci d. fascicles e. tracts

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Answer Answer 86 Option A True Explanation Spinal cord is a component of the central nervous system which runs dorsally in the human body and remains lodged inside the vertebral column In adult humans the total length of the spinal cord is nearly 41 cm In humans the spinal cord starts immediately from the end of the medulla oblongata and it terminates at the level See Answer

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