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The male reproductive system consists of a number of sex organs that play a role in the process of human reproduction. These organs are located on the outside of the body, and within the pelvis . 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 ...
Human penis. In human anatomy, the penis ( / ˈpiːnɪs /; pl.: penises or penes; from the Latin pēnis, initially "tail" [ 1]) is an external male sex organ ( intromittent organ) that serves as a passage for excretion of urine and ejaculation of semen. The main parts are the root, body, the epithelium of the penis including the shaft skin, and ...
The frenulum is a highly vascularized strip of mucosal tissue on the ventral side of the glans and the neck of the penis. It forms the interface between the outer and inner foreskin layers. [ 2] During gestation, it forms as the lateral edges of the preputial lamina approach in the ventral midline. The two sides of the lamina do not fuse in the ...
The male external genitalia include the penis and the scrotum. The female external genitalia include the clitoris, the labia, and the vestibule, which are collectively called the vulva. External genitalia vary widely in external appearance among different people. One difference between the glans penis and the glans clitoridis is that the glans ...
FMA. 18249. Anatomical terminology. [ edit on Wikidata] The body or shaft of the penis is the free portion of the human penis that is located outside of the pelvic cavity. [ 1] It is the continuation of the internal root, which is embedded in the pelvis and extends to the glans. [ 2] It is made up of the two corpora cavernosa and the corpus ...
Erection. Three columns of erectile tissue make up most of the volume of the penis. An erection (clinically: penile erection or penile tumescence) is a physiological phenomenon in which the penis becomes firm, engorged, and enlarged. Penile erection is the result of a complex interaction of psychological, neural, vascular, and endocrine factors ...
The glans penis as the expansion of the corpus spongiosum. The glans penis is a body of spongy erectile tissue that is moulded on the rounded ends of the two corpora cavernosa penis, [ 9] extending farther on their upper than on their lower surfaces. It is the expanded cap of the corpus spongiosum, [ 10] a sponge-like region that surrounds the ...
Sex differences in human physiology are distinctions of physiological characteristics associated with either male or female humans. These differences are caused by the effects of the different sex chromosome complement in males and females, and differential exposure to gonadal sex hormones during development. Sexual dimorphism is a term for the ...