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Unformatted text preview: duced The Testes
The Testes The sperm: Leave the testis via efferent ductules Enter the ______ Surrounding the seminiferous tubules are interstitial cells that produce androgens like testosterone The Testes
The Testes Figure 27.3a Testis histology Seminiferous tubules Cells in the testes
Cells Seminiferous tubule lumen lined with germinal epithelium consisting of several layers of germ cells in the process of becoming sperm Sustentacular (Sertoli) cells. Between the seminiferous tubules are clusters of interstitial (Leydig) cells, the source of testosterone. The Penis
The Penis A copulatory organ designed to deliver sperm into the female reproductive tract
Consists of an attached root and a free shaft that ends in the head
Prepuce, or foreskin – cuff of skin covering the distal end of the penis Circumcision – ??? The Penis
The Penis Internal penis – the urethra and three cylindrical bodies of erectile tissue
Erectile tissue – spongy network of connective tissue and smooth muscle riddled with vascular spaces The Penis
The Penis E...
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