精子头部 meaning in Chinese
sperm head
Examples
- The head of spermatozoa contains a nucleus but no acrosome . the nuclear fossa developes well . during the process of spermtogenesis , within the nucleus the chromatin condenses step by step into wads , among which are loose chromatin fibers
成熟精子头部无顶体，主要为核占据，精子形成过程中，细胞核中的染色质浓缩成致密的团块状，团块状的染色质之间分布着松散的纤维状染色质。 - In spermatogenous cell , we could find dilated cytolemma , dilated nuclear membrane and fused crista of mitochondria . most of the sperm ' s cellular membrane dissolved and broke down into pieces . the central granule and mitochondrion showed little dissolving
久效磷可以使金鱼精子细胞质膜溶解，出现间断性断裂;有的精子头部变形，顶部出现凹陷;少量精子颈部中心粒复合体溶解;精子颈部线粒体有溶解现象，精子尾部的膜结构断裂。 - In order to study the regulatory mechanism in gametogenesis of loxoblemmus doenitzi , the special expression of c - kit and c - myc is investigated by immunohistochemical method . the results show that there are kit positive protein granules on the cellular membrane of spermatomeres from metaphase i to anaphase ii , and in the head of mature spermatozoa not only in the testis but also in the spermatheca
结果表明， kit在多伊棺头蟋精子发生中期至后期的精母细胞膜上有阳性颗粒，在精巢和受精囊内精子头部残留的细胞质内也有阳性表达；但在出生后卵子发生过程中，发育中的卵母细胞上无阳性表达。 - Using indirect immuno - fluorescein staining method , the localization of sp - 10 , tmdc - iii and aeg on human , mouse , rabbit , pig , bull sperm was observed under confocomicroscopy . it was found that antigens sp - 10 and aeg express on acrosome of all kinds sperms , supporting their roles in sperm - egg fusion . it was firstly described that tmdc - iii express mostly on the equator , neck and some part of tail of human sperm , on the acrosome of mouse and bull sperms , on the acrosome and neck of pig sperm , on the head , neck , and middle piece , principal piece of tail of rabbit sperm
利用间接免疫荧光法对aeg 、 sp - 10 、 tmdc -蛋白在人、小鼠、兔子、猪、牛精子上进行了精确定位， aeg 、 sp - 10在顶体部均有表达，确证了它们与精卵融合有关：首次对tmdc -蛋白在人、小鼠、兔子、猪、牛精子进行了精确定位，它主要存在于人精子尾部主段，小鼠和牛精子顶体，猪精子顶体和颈部，兔精子头部、颈部和尾部的主段及尾段。