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Diagram of the scrotum. On the left side, the cavity of the tunica vaginalis has been opened; on the right side, only the layers superficial to the cremaster muscle have been removed. In regards to humans, the scrotum is a suspended dual-chambered sac of skin and muscular tissue containing the testicles and the lower part of the spermatic cords.
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.
The tunica vaginalis is a pouch of [2] serous membrane [3] within the scrotum that lines the testis and epididymis (visceral layer of tunica vaginalis), and the inner surface of the scrotum (parietal layer of tunica vaginalis).
Testis in the place of its original formation; t', together with the dotted lines above, indicates the direction in which the testis and epididymis descend from the abdomen into the scrotum. Skene's glands a.k.a. paraurethral gland: pr. Prostate: u. Uterus. The uterine tube of the right side is marked m. va. Vagina: vh. Ductus aberrans: vs ...
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
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]
A.—Diagram of the primitive urogenital organs in the embryo previous to sexual distinction. 3. Ureter. 4. Urinary bladder. 5. Urachus. cl. Cloaca. cp. Elevation which becomes clitoris or penis. i. Lower part of the intestine. ls. Fold of integument from which the labia majora or scrotum are formed. m, m.