ANATOMY

Detailed explanation-1: -The axon is a long fibre, the distal end of which is branched. Each branch terminates as a bulb-like structure called the synaptic knob.

Detailed explanation-2: -The long fibre arising from the cell body of the neuron is called an axon. It transmits nerve impulse away from the cell body towards the next nerve or effectors.

Detailed explanation-3: -Although neuroscientists typically draw neurons with a single unbranched axon and one presynaptic terminal, most axons are extensively branched into terminal arbors, often producing hundreds or thousands of presynaptic terminals (Fig.

Detailed explanation-4: -The portion of axon far from the cell body is wrapped by a myelin sheath, and that is the myelinated nerve fiber. Fine branches at the end of axon are called as axon terminals, which can make contact with other neurons or effector cells.

Detailed explanation-5: -The distal branch of the axon terminates in bulb-like structures called synaptic knob filled with chemicals called neuro transmitters.