The insulating sheath covering the axon is called
(a) plasmalemma (b) neurilemma
(c) dura mater (d) pia mater
State whether the following statements are true (T) or false (F).
(a) The main component of the white matter of the brain is perikaryon. (T/F)
(b) The arachnoid layer fits closely inside the pia mater (T/F)
(c) A double chain of ganglia, on eon each side of the nerve cord belongs to the spinal cord. (T/F)
(d) Dura mater is the outermost layer of the meninges. (T/F)
The outermost cover lying below the skull and vertebral column is doubly thick and is called Dura mater.