| polyspermy | Penetration of more than one spermatozoon into an ovum at time of fertilization. Occurs as normal event in very yolky eggs (e.g. Bird), but then only one sperm fuses with egg nucleus. Many other eggs have mechanisms to block polyspermy. (18 Nov 1997) |
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| polyspermy |
Fertilization of an egg (a secondary oocyte) by more than one sperm (spermatozoon). In in vitro fertilization, more common if eggs are recovered that are either immature or overly mature. Evident later, with the appearance of more than two pronuclei. In natural conditions, a cause of a polyploid state in the embryo. See also triploid. Another name for it is polyspermic fertilization.
출처: www.jansen.com.au/Dictionary_PR.html
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| polyspermy |
Abnormal condition where the oocyte is fertilized by more than 1 sperm.
출처: www.ivf-et.com/glossary.htm
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| polyspermy |
More than one sperm entering and fertilizing an egg.
출처: www.conceptfert.com.au/glossp.htm
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제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
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제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
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