Spermatogenesis (Gametogenesis) - Concept of Stem cells & Blood Testis barrier

In this visual Lecture, Dr. Aizaz talks about: 00:00 Introduction 00:25 Intro to Gametogenesis 04:52 Role of Primary Spermatocyte 07:03 Structure of Testis and Semineferous Tubules 10:23 Formation Spermatogonia A Dark (Spermatogonial Stem cells reserve) and Spermatogonia A Pale and differences between them 17:41 How Spermatogenesis start with the onset of puberty 18:00 Role of GnRH (Gonadotrophin Releasing hormone), FSH, LH and Testosterone 22:11 Formation of Spermatogonia B 23:31 Importance of Blood Testis Barrier 26:02 How Primary Spermatocytes cross Blood-Testis Barrier 27:29 Formation of Secondary Spermatocytes and Spermatids 28:28 Incomplete Cytokinesis and formation of cross-bridges 30:35 Importance of Adult Stem cells Website: Email: draizaz@