精子颈 meaning in Chinese

neck of spermatozoon

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。