Wednesday 11 July 2012

WHAT IS SEMEN

SEMEN
In humans, seminal liquid contains several parts besides spermatozoa: proteolytic and other enzymes as well as fructose are elements of seminal liquid which promote the survival of spermatozoa and provide a medium through which they can move or "swim."

Semen is an organic liquid, often known as ''seminal fluid'', that usually contains spermatozoa. It is secreted by the gonads (sexual glands) and other sexual organs of male or hermaphroditic animals and can fertilize female ova.

Most semen is white, but grey or even yellowish semen can be normal as well. Blood in the semen may cause a pink or reddish colour, known as ''hematospermia'', and may indicate a medical issue which ought to be evaluated by a doctor if it does not readily disappear.

The method that ends in the discharge of semen is called ''ejaculation''.

Semen quality is a measure of the ability of semen to accomplish fertilization. Thus, it is a measure of fertility in a man. It is the sperm in the semen that is the fertile part, and therefore semen quality involves both sperm quantity and sperm quality.

After ejaculation, semen first goes through a clotting method and then becomes more liquid. It is postulated that the preliminary clotting helps keep the semen in the vagina, but liquefaction frees the sperm to make their long journey to the ova. Immediately after ejaculation semen is usually a sticky, jelly-like liquid often forming globules. Within five to 40 minutes it will become more watery and liquid before finally drying.

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