Testes: The testes and epididymis

The testes and epididymis are paired structures, located within the scrotum. The testes are the site of sperm production and hormone synthesis, while the epididymis has a role in the storage of sperm. In this article, we shall look at the anatomy of the testes and epididymis – their structure, vasculature, innervation and clinical correlations. This is an article covering the anatomy of testicles including definition, diagram and functions. Learn all about this topic at Kenhub now! Testicles Testicles, or testes , are the part of the male reproductive system that makes sperm and hormones. They’re located outside your body. Talk to your healthcare provider if your testicles change in some way. The testes are the paired male gonads that produce sperm and the male sex hormones, primarily testosterone. It is covered by a thick covering of fibrous tissue, the ‘tunica albuginea (Figure 19). The epididymis is attached to its posterolateral surface, whereas the vas deferens arises from the lower pole of the epididymis and runs up medial to it, behind the testis. The front and sides of the testis lie free in a closed peritoneal sac, the ‘tunica vaginalis,’ and a remnant of the fetal ...