Question

extent of spinal cord

Answer 1

Answer:

• The spinal cord, about 45 cm in length, extends from the foramen magnum, where it is continuous with the medulla oblongata, to the level of the first or second lumbar vertebra (The range is c1 to L2).
• Below that level, the vertebral canal is occupied by spinal nerve roots and meninges.

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Answer 2

Answer:

spinal cord is the nervous structure which is protected by the vertebral column

spinalcord has outer white matter and inner grey matter

dorsal root ganglion of spinal cord is sensory and ventral root ganglion is motor

spinal cord extends from c1 to l2

and from l2 bunch of nerves extend to lower vertebra

and those nerves look like horse tail so that bunch named it as couda equina