【医】精子尾主段

sperm sperm- accessory sperm sperm cyst sperm reservoir eupyrene sperm sperm oil Sperm count sperm bank oligopyrene sperm apyrene sperm sperm whale motility of sperm oil of sperm unit of sperm counting resistance of sperm number of motile sperm neck of sperm number of sperm connecting piece of sperm zone of sperm transformation morphological examination of sperm resistance test of sperm