单词proacrosomal-granule
网络: 前顶体粒；顶体前颗粒
It is found that the CA is an electron dense body and the proacrosomal granule appear in the region between the nucleus and the nebenkern.
结果发现，作为电子致密体的CA前体和原顶体颗粒出现在副核和细胞核之间区域。