Nurse cells for sperm is called

Answer: Option B

Nurse cells for sperm are called Sertoli cells.
Sertoli cells are a type of sustentacular "nurse" cell found in human testes that contribute to the process of spermatogenesis (the production of sperm) as a structural component of the seminiferous tubules.
Sertoli cells also act as phagocytes, consuming the residual cytoplasm during spermatogenesis.