Sci-Tech Dictionary:
(¦ā′zō·ō′spər·mē·ə)
azoospermia
(physiology) Absence of motile sperm in the semen. Failure of formation and development of sperm.
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Medical Dictionary:
a·zo·o·sper·mi·a
(ā-zō'ə-spûr'mē-ə, ə-zō'-)n.
- Absence of live spermatozoa in the semen.
- Failure to form live spermatozoa.
Veterinary Dictionary:
azoospermia
Absence of spermatozoa in the semen, or failure of formation of spermatozoa.
Wikipedia:
azoospermia
| ICD-10 | N46. |
|---|---|
| ICD-9 | 606.0 |
Azoospermia is the medical condition of a male not having any measurable level of sperm in his semen. It is associated with very low levels of fertility.
Azoospermia has two forms:
- obstructive azoospermia, where sperm are created, but cannot be mixed with the rest of the ejaculatory fluid due to a physical obstruction, and;
- non-obstructive azoospermia, where there is a problem with spermatogenesis, as in the condition of hyperprolactinemia.
- congenital azoospermia, where azoospermia is a manifestation of cystic fibrosis due to agenesis of vas defrens.
Azoospermia is a reported side effect of androgen drugs and corticosteroids because they suppress the hypothalamus release of GnRH and therefore FSH. This causes azoospermia in males and amenorrhea in females.
Compare with aspermia.
Can be an adverse effect of angrodens.
See also
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Copyrights:
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 | Sci-Tech Dictionary. McGraw-Hill Dictionary of Scientific and Technical Terms. Copyright © 2003, 1994, 1989, 1984, 1978, 1976, 1974 by McGraw-Hill Companies, Inc. All rights reserved. Read more |
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| Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Read more |
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| Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved. Read more |
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| Wikipedia. This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Azoospermia". Read more |
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