The secretion of motile spermatozoa in excessive amount.


A sperm count of above 250 million per ml is beyond normal and is considered polyzoospermia. Normally in humans the sperm count varies between 20 and 150 million sperm per ml.

Word origin: Greek, polýs, many + -zoo- » zôion, animal + -spermia.

Compare: azoospermia, oligozoospermia.
See also: sperm count, polyspermia.

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