Examlex
What generated the most revenue for the U.S. government for most of the nineteenth century?
Spermatozoa
The male reproductive cells or sperm cells that are capable of fertilizing the female ovum.
Varicocele
An enlargement of the veins within the scrotum, similar to a varicose vein, that can affect fertility in men.
Aspermia
A medical condition characterized by the absence of sperm in semen.
Spermatid
An immature male gamete or reproductive cell that develops into a mature spermatozoon.
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