GROSS ANATOMY

GROSS ANATOMY

CRANIAL NERVES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which one of the following is the correct sequence in connective tissue sheaths, going from outermost to innermost layer:
A
epineurium, endoneurium, perineurium
B
epineurium, perineurium, endoneurium
C
perineurium, endoneurium, epineurium
D
endoneurium, epineurium, perineurium
Explanation: 

Detailed explanation-1: -Answer: Because epineurium, perineurium, and endoneurium are the proper sequences, B is the correct answer. Explanation: The epineurium is the thick irregular connective tissue layer that surrounds a peripheral nerve.

Detailed explanation-2: -Meninges are the three connective tissue membranes that enclose the brain and spinal cord. Piameter is the innermost membrane which is thin, delicate and vascular. The next membrane is arachnoid which is thin and webby. Durameter is the outermost membrane which is tough, dense and fibrous in nature.

Detailed explanation-3: -There are three layers of connective tissue: epimysium, perimysium, and endomysium.

Detailed explanation-4: -Epimysium, Perimysium, and Endomysium (from superficial to deep). (Epimysium covers entire muscle.

Detailed explanation-5: -Thus, the correct answer is ‘Cell body-Axon-Nerve terminal’.

There is 1 question to complete.