一SpermatogenicepitheliumLimiting mLSertoli CelleB9-.Interstitial tissue& Leydig cell
Limiting m. Sertoli Cell Spermatogenic epithelium Interstitial tissue & Leydig cell
Seminiferous Tubules
Seminiferous Tubules
Seminiferous Tubules
Seminiferous Tubules
Spermatogeniccelland spermatogenesisAtpuberty/FSHstimulatingSpermatogenic cells differentiate to spermatozoaSuccessive spermatogenic cells:spermatogoniumprimary spermatocytesecondary spermatocytespermatidsspermatozoasoeuobren
Spermatogenic cell and spermatogenesis At puberty / FSH stimulating Spermatogenic cells differentiate to spermatozoa Successive spermatogenic cells : spermatogonium primary spermatocyte secondary spermatocyte spermatids spermatozoa
Spermatogonium* 12um, at the base of epithTestisH&E*two typesLeydigcells-type Asmoothmuscletype Ad: maintains thegerm cell pooltype ApSertoli cellsdeveloped-type'B★spermatogoniaprimary spermatocytes*46,XY,2nspermatids发primaryspermatocytes
Spermatogonium * 12um, at the base of epith. *two types -type A type Ad: maintains the germ cell pool type Ap -type B primary spermatocytes *46, XY, 2n developed