Which of the following is true regarding the blood-testis barrier

Asked by wiki @ in Medicine viewed by 154 People

Which of the following is true regarding the blood-testis barrier?

a. It prevents heat loss from the testes.
b. It prevents antibodies in the blood from getting to the germ cells.
c. It maintains testis temperature at 37°C.
d. It maintains testis temperature at 35°C.
e. It prevents blood from getting to the testes.

Answered by wiki @


Answer:

b. It prevents antibodies in the blood from getting to the germ cells.

Explanation:

Blood testes barrier is present in the seminiferous tubule and divides the epithelium into separate compartments called basal and alduminal compartments.  

During meiosis in germ cells, the spermatocytes become genetically different from the other cell present in the body. So our immune cells recognize these sperms as foreign bodies.  

Therefore blood testes barrier prevent the interaction of sperms with immune cells thereby protect the spermatocytes from immune attack. Therefore the right answer is b.


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