Which layer of connective tissue surrounding peripheral nerves is responsible for maintaining the blood-nerve barrier?

Question

Quizplus · Accepted Answer

The innermost covering is the endoneurium, which surrounds each individual axon. The middle layer, or perineurium, is responsible for maintaining the blood-nerve barrier, and the epineurium is the outermost layer and provides cushioning for the entire nerve. The surface of the axon is formed by a phospholipid membrane called an axolemma.

Which Layer of Connective Tissue Surrounding Peripheral Nerves Is Responsible