The neurons with the medullary sheath are called ___ neuron.
In a myelinated neuron, the axon is covered by the myelin sheath or the medullary sheath.
State the functions of the following :
(a) Synapse
(b) Association neuron
(c) Medullary sheath
(d) Medulla oblongata
(e) Cerebellum
(f) Cerebrospinal fluid.