Mediastinum testis
A diagram of the major components of an adult human testicle, including the following numbered items: 1. Tunica albuginea, 2. Septula testis, 3. Lobulus testis, 4. Mediastinum testis, 5. Tubuli seminiferi contorti, 6. Tubuli seminiferi recti, 7. Rete testis, 8. Ductuli efferentes testis, 9a. Head of epididymis, 9b. Body of epididymis, 9.c Tail of epididymis,10. Vas deferens, 11a. Tunica vaginalis (parietal lamina), 11b. Tunica vaginalis (visceral lamina), and 12. Cavity of tunica vaginalis.
Section of a testicle of a steer, blood vessels injected with red gelatine. 1 parenchyma, 2 mediastinum testis, 3 tunica albuginea, 4 tail of epididymis, 5 head of epididymis, 6 spermatic cord with convoluted testicular artery
Anatomical terminology

The mediastinum testis is a network of fibrous connective tissue that extends from the top to near the bottom of each testis. It is wider above than below.[citation needed] It supports the rete testis and blood and lymphatic vessels of the testis in their passage to and from the substance of the gland.[1]

The septa testis - extensions of the tunica albuginea into the substance of the testis that form fibrous partitions - converge towards the mediastinum testis.[1]

Additional images


Public domain This article incorporates text in the public domain from page 1243 of the 20th edition of Gray's Anatomy (1918)

  1. ^ a b Martini, Frederic; Tallitsch, Robert B.; Nath, Judi L. (2017). Human Anatomy (9th ed.). Pearson. p. 711. ISBN 9780134320762.