Loss or reduction of motility of the spermatozoa, frequently associated with infertility. ... Origin: G. Astheneia, weakness, + sperma, seed, semen ... (05 Mar 2000) ... 
(as″thә-no-spur´me-ә) reduced motility of spermatozoa in the semen.
Type: Term Pronunciation: as′thē-nō-sper′mē-ă Synonyms: asthenozoospermia