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The body of the penis is suspended from the pubic symphysis. [7] It has two surfaces; the dorsal and the ventral or urethral.The penile raphe runs on its ventral surface.. The body is surrounded by a bi-layered model of tunica albuginea in which a distal ligament buttresses the glans penis and plays an integral role to the penile fibroskeleton, and the structure is called "os analog", a term ...
A ventral view of a penis flaccid (left) and erect (middle); a dorsal view of a penis erect (right) An erection is the stiffening and rising of the penis, which occurs during sexual arousal, though it can also happen in non-sexual situations.
The dorsal artery of the penis provides blood supply to the skin and fascia of the penis (including the foreskin), and the erective tissues of the penis (especially the glans penis). The dorsal artery of the penis may be damaged in traumatic amputation of the penis and repairing the dorsal artery surgically prevents skin loss, but it is not ...
The corona and the neck are highly vascularized areas of the penis. The axial and dorsal penile arteries merge together at the neck before entering the glans. [8] Branches of the dorsal artery of the penis curve around the distal shaft to enter the frenulum and the glans from its ventral surface. [9]
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The penile raphe is a visible line or ridge of tissue that runs on the ventral (urethral) side of the human penis beginning from the base of the shaft and ending in the prepuce between the penile frenulum. [1] [2] The line is typically darker than the rest of the shaft skin, even though its shape and pigmentation may vary greatly among males. [1]
The main parts are the root (radix); the body (corpus); and the epithelium of the penis including the shaft skin and the foreskin covering the glans penis. The body of the penis is made up of three columns of tissue: two corpora cavernosa on the dorsal side and corpus spongiosum between them on the ventral side.
The glans penis receives blood from the internal pudental artery through its branch, the dorsal artery of the penis, which also supplies the foreskin, and the penile shaft. [24] Behind the corona, the terminal branches of the dorsal arteries anastomose with the axial arteries through perforating branches before they end in the glans. [25]