Testosterone regulates spermatogenesis. Testosterone is produced by Leydig cells in response to the secretion of LH from the pituitary gland.... View Article
Spermiogenesis is the transformation of spermatids into spermatozoa. It involves the formation of head, acrosome, tail, phagocytosis of excess... View Article
Sertoli cells are also called nurse cells. Also Check: Why Is A Single Ovum Produced By Oogenesis? Which Hormone Triggers Spermatogenesis?... View Article
Each primary spermatocyte produces 4 sperms after meiosis, hence, 200 primary spermatocytes will produce 800 sperms. Also Check: Why Is A... View Article
Germ cells are reproductive cells and give rise to male and female gametes. Also Check: Why Is A Single Ovum Produced By Oogenesis? Which... View Article
Each type of spermatogonium undergoes mitosis 5 times to produce 32 type B spermatogonia, which produce 64 primary spermatocytes and then leading... View Article
Spermatogonia are diploid. They are also called male germ cells and give rise to sperms after meiosis. Also Check: Why Is A Single Ovum... View Article
Spermiogenesis is the transformation of spermatids to spermatozoa and the release of spermatozoa from seminiferous tubules is called spermiation.... View Article
Spermatids undergo a transformation called spermiogenesis to develop into sperms. They do not undergo any further division, hence, 100 spermatids... View Article
Polyspermy is prevented in humans by changes in the zona pellucida layer after the entry of one sperm. Also Check: Why Is A Single Ovum... View Article
No, only one egg can enter the sperm. On entry of one sperm, there occur changes in the membrane, which block further entry of sperms. Also... View Article
The head of the sperm is covered by the acrosome. It is a cap-like structure and is filled with enzymes that help in fertilisation. Also... View Article
Yes, sperm contains a head, which has an elongated nucleus and is covered by the acrosome. Also Check: Why Is A Single Ovum Produced By... View Article
Blood-testis barrier is important in maintaining the ideal environment for spermatogenesis. It also prevents the generation of autoimmune... View Article