oligospermia

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oligospermia

 [ol″ĭ-go-sper´me-ah]
deficiency of spermatozoa in the semen.

ol·i·go·zo·o·sper·mi·a

(ol'i-gō-zō'ō-sper'mē-ă),
A subnormal concentration of spermatozoa in the penile ejaculate.
[oligo- + G. zōos, living, + sperma, seed, semen, + -ia]

oligospermia

Urology Abnormally low number of sperm in the semen, resulting in subfertility. See Azoospermia.

ol·i·go·sper·mi·a

, oligospermatism (ol'i-gō-spĕrm'ē-ă, -mă-tizm)
A subnormal concentration of sperms in the penile ejaculate.
Synonym(s): oligozoospermia.
[oligo- + G. sperma, seed]

oligospermia

An abnormally low concentration of sperms in the seminal fluid. Fertile semen contains about 100 000 000 sperms per ml. Semen with less than about 20 000 000 sperms per ml is likely to be infertile.