Microscopic Studies of the Seminiferous Tubules and Interstitial Gland at the Cocks 90-120 Days Old

Abstract

From the age of 90 days is clear that an end point of pseudostratified seminal epithelium, but the cell types and Sertoli cells are still prevails spermatogoniums and take the other two age as described above. There is a very intense reaction P.A.S. Take the positive step of tubular basement of the seminiferous membrane. There are many cells in semen Sertoli epithelium, in peritubulary are located myofibroblastes. From the age of 120 days in the seminal epithelium are present all cells of the seminal line. Basement membrane of seminiferous tubules is evident, and intertubular connective tissue is P.A.S. positive. Sertoli cells (cells sustentacular) from cells support undifferentiated of the gonads of prepubertal. These cells are active from point of the mitotic, contains large amounts of rough endoplasmic reticulum and produce paramesonephrotic hormone, a glycoprotein that inhibits development of female to male genitalia. At the age of 90 days it observe a quantitative reduction of intertubular. Interstitial endocrinocytes have different size, some are fusiforme, others have cytoplasm vacuolar, being involved in hormonegenesis.