The cell which forms blood-testis barrier is
The blood-testis barrier is a physical barrier between the blood vessels and the seminiferous tubules of the testes.The name "blood-testis barrier" is misleading in that it is not a blood-organ barrier in a strict sense, but is formed between Seoli cells of the seminiferous tubule and as such isolates the fuher developed stages of germ cells from the blood.
Spermatogonia
Primary spermatocyte
Leydig cell
Seoli cell
General anatomy