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Download as PDF; Printable version; ... Anatomy photo:36: ... Scrotum and Testes: Testis" This page was last edited on 13 February 2024, at 17: ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 1 December 2024. Sac of skin that protects the testicles For the obsolete dinosaur fossil name, see Megalosaurus § "Scrotum humanum". Scrotum Human scrotum in a relaxed state (left) and a tense state (right) Details Precursor Labioscrotal swellings System Reproductive system Artery Anterior scrotal ...
The tunica albuginea is a dense, [1] [2] blue-white [3] layer of fibrous tissue surrounding the testis. [1] [4] It is the middle of three envelopes forming the capsule of the testis; it is deep to the visceral layer of tunica vaginalis, and superficial to the tunica vasculosa testis (vascular layer of testis).
The septa testis are fibrous partitions of the testis dividing the testis into compartments - the lobules of the testis.The septa are formed by extensions of the tunica albuginea - the dense fibrous connective tissue surface covering of the testis - into the substance of the testis.
Males have two testicles of similar size contained within the scrotum, which is an extension of the abdominal wall. [1] Scrotal asymmetry, in which one testicle extends farther down into the scrotum than the other, is common. This is because of the differences in the vasculature's anatomy. [1]
The mediastinum testis is a thick yet incomplete septum at the posterior part of the testis formed by the tunica albuginea of testis projecting into the testis at its posterior aspect where the testis is not lined by the serous membrane to allow for the attachment of the epididymis.
The central territory of the scrotum receives blood through the terminal branches (septal arteries) of the two main scrotal arteries, themselves extensions of the pudental and perineal arteries, that run deeply on both sides of the scrotal septum. A separate branch of the perineal artery has also been shown to vascularize the scrotal raphe. [2]
Anatomy figure: 36:01-16 at Human Anatomy Online, SUNY Downstate Medical Center - "The inguinal canal and derivation of the layers of the spermatic cord." Anatomy image:7217 at the SUNY Downstate Medical Center; inguinalregion at The Anatomy Lesson by Wesley Norman (Georgetown University) (spermaticcord