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Semen, also known as seminal fluid, is a bodily fluid that contains spermatozoa. Spermatozoa are secreted by the male gonads (sexual glands) and other sexual organs of male or hermaphroditic animals and can fertilize the female ovum .
A urine specimen may be collected, and is likely to demonstrate blood within the urine. [9] Laboratory examination of seminal vesicle fluid requires a semen sample, e.g. for semen culture or semen analysis. Fructose levels provide a measure of seminal vesicle function and, if absent, bilateral agenesis or obstruction is suspected. [13]
Spermaturia is condition characterized by the presence of sperm in the urine. [1] It can be observed in males of other species and then sometimes diagnosed in veterinary medicine. [2] The cause is most often a retrograde ejaculation. It may be physiological during urination after coitus (postcoital urination). [citation needed]
Ejaculation occurs in two stages, the emission stage and the expulsion stage. [4] The emission stage involves the workings of several structures of the ejaculatory duct; contractions of the prostate gland, the seminal vesicles, the bulbourethral gland and the vas deferens push fluids into the prostatic urethra. [3]
Pre-ejaculate on the glans of the penis. Pre-ejaculate (also known as pre-ejaculatory fluid, pre-seminal fluid or Cowper's fluid, and colloquially as pre-cum) is a clear, colorless, viscous fluid that is emitted from the urethra of the penis during sexual arousal and in general during sexual activity.
Semen is an important indicator of men’s overall well-being and can help raise potential issues early. What your semen says about your health Skip to main content
Before semen collection the patient must empty his bladder. The patient then has to masturbate in one container and immediately after has to urinate in another container. [12] The male's ejaculate may be centrifuged from urine voided, and the isolated sperm injected directly into the woman through the use of intrauterine insemination. [4]
The prostate produces and contains fluid that forms part of semen, the substance emitted during ejaculation as part of the male sexual response. This prostatic fluid is slightly alkaline, milky or white in appearance. The alkalinity of semen helps neutralize the acidity of the vaginal tract, prolonging the lifespan of sperm.