Examlex
Hearing begins when sound waves stimulate the ________.
Vas Deferens
The vas deferens is a long, muscular tube that transports mature sperm from the epididymis to the urethra in anticipation of ejaculation in male mammals.
Seminiferous Tubules
Highly coiled tubules within the testes where spermatozoa are produced.
Ejaculation
The process of expelling semen from the penis during sexual climax, facilitated by muscle contractions.
Acrosome
A cap-like structure over the anterior portion of a sperm's head, containing enzymes that help the sperm penetrate the egg.
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