The temination " of the deferent duct got into cloacal chamber a as apical segment . 1 . in ivtestis , seminiferous epithelium consisted of spermatogenous and sustentacular cell 在期精巢内，精细管包含有精原细胞、初级精母细胞、少量精子细胞和支持细胞。
2.
Sustentacular cell was at the exterior margin of spermatogenous . in v testis , seminiferous epithelium had spermatozoon , spermatid and sustentacular cell . the sustentacular cell was fat and full of particle 支持细胞位于性细胞团的外缘，对生精细胞起支持和营养作用;在v期精巢内，精细管由大量的精子、少量的精子细胞和支持细胞构成。
