oligospermia


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oligospermia

 [ol″ĭ-go-sper´me-ah]
deficiency of spermatozoa in the semen.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

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]
Farlex Partner Medical Dictionary © Farlex 2012

oligospermia

Urology Abnormally low number of sperm in the semen, resulting in subfertility. See Azoospermia.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

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]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
References in periodicals archive ?
15, 16) some seminiferous tubules had hypoplasia and oligospermia, but other tubules were regaining normal cell distribution and had normal leydig cells, increase of sperm and normal spacing between tubules.
Seminal fluid infection and oligospermia. Trop J Obst Gynaecol.
The association of STDs and urinary tract infections to the high rate of oligospermia and azoospermia was also reported in Onitsha, eastern Nigeria.
Sperm deficiencies can include low sperm production (oligospermia) or lack of sperm (azoospermia).
Maugh (1981) evidenced that the gossypol alters the spermatogenesis, causing oligospermia and aspermia, by inhibiting the lactate dehydrogenase X, an enzyme that plays a key role in spermatozoa metabolism.
One of the difficult aspects of treating infertile males with idiopathic oligospermia is the non-availability of recommended medical therapies for men11.
Hormonal assays for patients having oligospermia were as follow: luteinizing hormone (LH) 12.56+-3.90, follicle-stimulating hormone (FSH) 5.96+-1.17, testosterone 10.13+-2.40 and prolactin 13.42+-2.43, while normospermic patients had the following hormone levels: LH: 7.72+-3.90, FSH: 2.93+-.74, testosterone: 17.00+-3.36 and, prolactin: 12.45+-2.16.
The patient underwent a work-up for infertility six months prior to his admission and was found to have oligospermia despite his normal testosterone levels: he had then undergone hormonal therapy for six months prior to his presentation.
The World Health Organization has defined oligospermia (low sperm concentration) as less than 15 million sperm per ml.