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The main male sex organs are the penis and the scrotum, which contains the testicles that produce semen and sperm, which, as part of sexual intercourse, fertilize an ovum in the female's body; the fertilized ovum develops into a fetus, which is later born as an infant. The corresponding system in females is the female reproductive system.
Tunica vaginalis. Diagram of a cross-section of a testicle. 1. Cavity of tunica vaginalis, 2. Visceral lamina, 3. Parietal lamina. The right testis, exposed by laying open the tunica vaginalis. (Tunica vaginalis is labeled at upper right.) The tunica vaginalis is a pouch of [2] serous membrane [3] within the scrotum that lines the testis and ...
The ejaculatory ducts (ductus ejaculatorii) are paired structures in the male reproductive system. [1] Each ejaculatory duct is formed by the union of the vas deferens with the duct of the seminal vesicle. [2] They pass through the prostate, and open into the urethra above the seminal colliculus. During ejaculation, semen passes through the ...
Perineal membrane. Coronal section of anterior part of pelvis, through the pubic arch. Seen from in front. (Inferior layer labeled at bottom left.) Median sagittal section of male pelvis, showing arrangement of fasciæ. (Inferior layer labeled at center left.) The perineal membrane is an anatomical term for a fibrous membrane in the perineum.
The constituent cavernous cylinders of the penis. A corpus cavernosum penis (singular) (literally "porous [2] body" of the penis, pl.: corpora cavernosa) is one of a pair of sponge-like regions of erectile tissue, which contain most of the blood in the penis during an erection. [3][4][5] It is homologous to the corpus cavernosum clitoridis in ...
External genitalia of an adult female (left) and male (right). The human reproductive system includes the male reproductive system, which functions to produce and deposit sperm, and the female reproductive system, which functions to produce egg cells and to protect and nourish the fetus until birth. Humans have a high level of sexual ...
The bulb of penis is the proximal/posterior bulged [1] end of the (unpaired median) corpus spongiosum penis. Together with the two crura (one crus on each side of the bulb), it constitutes the root of the penis. [2] It is covered by the bulbospongiosus. Proximally/posteriorly, the bulb of penis extends towards the perineal body.
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 septa converge towards the mediastinum testis.