Azoospermia

From Biology-Online Dictionary
Jump to: navigation, search

Definition

noun

The absence of motile spermatozoa in semen.


Supplement

Azoospermia may be caused by a defect in spermatogenesis or by a physical obstruction that hinders the sperm to be mixed with the rest of the ejaculatory fluid.


Word origin: a-, without + -zoo- » Greek zôion, animal + -spermia.

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