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Tunica albuginea of testis

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Title: Tunica albuginea of testis  
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Subject: Lobules of testis, Mediastinum testis, Septa of testis, Tubuli seminiferi recti, Male reproductive system
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Tunica albuginea of testis

Tunica albuginea of 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 bull, 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
Details
Latin tunica albuginea testis
Identifiers
Gray's p.1242
Dorlands
/Elsevier
t_22/12831768
Anatomical terminology

The tunica albuginea ( US dict: ) is the fibrous covering of the testis.

It is a dense blue-grey membrane, composed of bundles of white fibrous tissue which interlace in every direction.

It is covered by the tunica vaginalis, except at the points of attachment of the epididymis to the testis, and along its posterior border, where the spermatic vessels enter the gland.

It is applied to the tunica vasculosa over the glandular substance of the testis, and, at its posterior border, is reflected into the interior of the gland, forming an incomplete vertical septum, called the mediastinum testis (corpus Highmori).

Additional images

External links

  • Anatomy photo:36:11-0102 at the SUNY Downstate Medical Center - "Inguinal Region, Scrotum and Testes: The Cross-Section of the Testis"
  • inguinalregion at The Anatomy Lesson by Wesley Norman (Georgetown University) (testes)

This article incorporates text from a public domain edition of Gray's Anatomy.

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