Blood testis barrier in testis is formed by?

Blood testis barrier in testis is formed
by?
a) Sertoli cells
b) Leydig cells
c) Granulosa cells
d) None
Correct Answer - A
Ans. A. Sertoli cells
[Ref Ganong 23’d/e p. 402]
Junction between adjacent sertoli cells form blood-testis barrier.