Tunica albuginea (testicles)
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| Tunica albuginea (testicles) | |
|---|---|
| Schematic drawing of testicle and epididymis. 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, 9 Ductus epididymidis, 10 initial part of deferent duct | |
| 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 | |
| Latin | tunica albuginea testis |
| Gray's | subject #258 1242 |
| Dorlands/Elsevier | t_22/12831768 |
For other structures with the same name, see Tunica albuginea.
The Tunica Albuginea is the fibrous covering of the testis.
It is a dense blue-white 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
 Transverse section through the left side of the scrotum and the left testis. |
 Section of a genital cord of the testis of a human embryo 3.5 cm. long. |
 Vertical section of the testis, to show the arrangement of the ducts. |
External links
- SUNY Labs 36:11-0102 - "Inguinal Region, Scrotum and Testes: The Cross-Section of the Testis"
- Norman/Georgetown inguinalregion (testes)
This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
