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Arteries and veins of the penis. The penile artery (also known as the common penile artery) is the artery that serves blood to the penis. It is a terminal branch of the internal pudendal artery, along with the scrotal artery. It subdivides into three arteries, the bulbourethral artery, the dorsal artery of the penis and the cavernosal artery.
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, and is often associated with sexual arousal, sexual attraction or libido, although erections can also be spontaneous.
Balanitis is inflammation of the glans penis. [1] Balanoposthitis is the proper term when the foreskin is also affected. [ 1 ] Balanitis on boys in diapers must be distinguished from redness caused by ammoniacal dermatitis .
Systemic conditions like malignant hypertension, liver dysfunction, or bleeding disorders, and amyloidosis may sometimes be present with hematospermia as symptom. Trauma to the region may also cause the condition. [ 4 ]
When a large amount of blood flows to the genital region, the penis becomes erect and the testicles also experience increased blood flow and swelling. [4] In the vulva, the blood flow increases in erectile tissue, causing it to expand. After orgasm, the tissue shrinks back to its initial size as most of the blood leaves.
Red bumps on the penis that are associated with this condition are caused by HPV. The condition, says Dr. Williams, “is marked by red-brown lesions on the glans or shaft, usually in circumcised men.
Penile cancer can present as redness and irritation on the penis with a skin thickening on the glans or inner foreskin or an ulcerative, outward growing or “finger-like” (papillary) growth. [ 5 ] [ 6 ] Penile cancer may accompany penile discharge with or without difficulty or burning or tingling while urinating ( dysuria ) and bleeding from ...
A hematocele that begins bleeding into itself, becoming a hemorrhagic cyst, can easily rupture and cause a number of problems. [11] If the hematocele is older, the tunica sac appears filled with spongy material several times larger than the testicular volume. [8] Most of this material is fibrin and cholesterol granulomas. [8]