Dictionary > Oligozoospermia


Low sperm count in semen.
A sperm count below 20 million per ml is considered oligozoospermia. Normally, in humans sperm count varies between 20 and 150 million sperm per ml.
Word origin: Greek olígos little, few + –zoo– » zôion, animal + –spermia.
Compare: azoospermia, polyspermia.

See also: sperm count.

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