Large cells that nourish developing sperm cells and form the blood-testes barrier are:
A) primary spermatocytes.
B) Sertoli cells.
C) spermatids.
D) spermatogonia.
E) sperm cells.
Answer: B) Sertoli cells.
The Sertoli cells also referred to as the "nurse" cells nourish the developing sperm cells and form the blood-testes barrier. They also form the lumen of the seminiferous tubule -- AKA Sustentacular cells
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