Anatomy of the testis; Tunica vasculosa, Tunica albuginea and Tunica vaginalis скачать в хорошем качестве

Anatomy of the testis; Tunica vasculosa, Tunica albuginea and Tunica vaginalis

testis, a vital male reproductive organ, has a complex anatomy, with layers and structures essential for its protective and functional roles. Here’s an overview focusing on the tunica vasculosa, tunica albuginea, and tunica vaginalis: Layers and Structures: Tunica Vaginalis: This is the outermost layer of the testis. It is a double-layered serous membrane derived from the peritoneum during embryological development. Composed of a parietal layer (lining the scrotal sac) and a visceral layer (covering the testis and epididymis), with a fluid-filled cavity in between that allows smooth movement of the testis within the scrotum. Tunica Albuginea: A dense, fibrous connective tissue capsule lying beneath the tunica vaginalis. Provides structural integrity and protection to the testis. Invaginates into the testis at the posterior border to form the mediastinum testis, from which septa extend to divide the testis into lobules containing seminiferous tubules. Tunica Vasculosa: The innermost vascular layer, lying under the tunica albuginea and lining the septa and mediastinum testis. Richly vascularized to supply blood to the seminiferous tubules and surrounding tissues #Testis