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| Globozoospermia ： ウィキペディア英語版 |
Teratospermia
Teratospermia or teratozoospermia is a condition characterized by the presence of sperm with abnormal morphology that affects fertility in males.
==Causes==
The causes of teratozoospermia are unknown in most cases. However, Hodgkin's disease, coeliac disease, and Crohn's disease may contribute in some instances.〔http://www.gfmer.ch/Endo/Lectures_09/dupan1.htm〕 Lifestyle and habits (smoking, toxin exposure, etc.) can also cause poor morphology. Varicocele is another condition that is often associated with decreased normal forms (morphology).
In cases of globozoospermia (sperm with round heads), the Golgi apparatus is not transformed into the acrosome that is needed for fertilization.〔Page 155 in: 〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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