Aspermia
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Aspermia
| Aspermia | |
|---|---|
| Classification and external resources | |
| ICD-10 | N46 |
| ICD-9 | 606.0 |
| -spermia, Further information: Testicular infertility factors |
| (Oligo)spermia - few spermatozoa in semen |
| (Hypo)spermia - small semen volume |
| (A)spermia - complete lack of semen |
| (Azoo)spermia - absence of sperm cells in semen |
| (Terato)spermia - sperm with abnormal morphology |
| (Asthenozoo)spermia - reduced sperm motility |
Aspermia is the complete lack of semen (not to be confused with azoospermia, the lack of sperm cells in the semen). It is associated with infertility.
One of the causes of aspermia is retrograde ejaculation[1], which can be brought on by excessive drug use, or as a result of prostate surgery.
Another cause of aspermia is ejaculatory duct obstruction, which may result in a complete lack of or a very low-volume semen (oligospermia), in which the semen contains only the secretion of accessory prostate glands downstream to the orifice of the ejaculatory ducts.
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Saunders 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.
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