Question

'A' is a cylindrical structure that begins from the lower end of medulla and extend downwards. It is

enclosed in bony cage B and covered by membranes °C". As many as 'D pairs of nerves arise from

the structure 'A".

i.What is A ?​

Answer 1

Answer:

The structure P is the spinal cord. It is a cylindrical structure that begins in continuation with the medulla and extends downwards. (i) The bony cage Q is the vertebral column. The spinal cord is enclosed by the vertebral column.