The testis is suspended in the scrotum by the spermatic cord. Each testis is attached to an epididymis, which connects rete testis to vas deferens. The testis is composed of convoluted seminiferous tubules in the stroma with Leydig cells. Three layers: outer with mesothelial cells; tunica, inner tunica vasculosa. Seminiferous tubules converge into rete testis at the hilum, anastomose into efferent tubules that penetrate tunica albuginea to form the head of the epididymis

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