Question

Fill in the blanks with correct words.

A bundle of axons enclosed in a tubular sheath is called ________

Answer 1

Axons:

1. The axon is a tube-like structure that transports electrical impulses from the cell body to the axon terminals, where they are passed on to another neuron.
2. A nerve is a bundle of axons in the peripheral nervous system.
3. A tract is a group of axons in the central nervous system.
4. A thin endoneurium layer surrounds each axon.
5. The fascicles are encased in a thick fibrous sheath called the epineurium, which forms the nerve.

Final answer: A bundle of axons enclosed in a tubular sheath is called a nerve.