Question

Write a note on Spinal Cord. 5marks

Answer 1

Spinal Cord:

Origin:-

• Medulla Oblongata, after coming out from foramen of magnum continues in the neural canal of vertebral column. This continuation of Medulla is called spinal cord.

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Functions:-

• It acts as a bridge between brain and organs of body.

• Spinal nerves regulates the reflex actions.

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Other Properties:-

• Weight of spinal cord is 35 gram.

• Length of spinal cord is 45 cm

• Spinal cord extends from Brain to L1 region.

• Its upper part is wide and lower end is narrow.

• Spinal cord is covered by diameter, aracnoid and piameter.

• When made a transverse section, Gray matter is found inside and white matter is found outside the spinal cord.

• Gray matter forms dorsal and ventral horns.

• Dorsal and ventral horns devide the white matter of spinal cord in 4 funiculus
• Conus medullaris is present up to L1 vertebra.

• Terminal part of conus medullaris extends to form filum terminate.

• Spinal nerves are 31 pairs.

Answer 2

Question

Write a note on Spinal Cord.

Asked

About the definition of Spinal Cord.

Answer

Spinal Cord : A long tubelike or cylindrical structure made up of nerve tissues that carries messages to be transferred between brain and the rest body. Spinal cord begins from the last of brain or from the base of skull and ends on the bottom of spines.

Know More :

• Both brain and spinal cord makes central nervous system in homosapiens.

Answer Completed

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