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
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