Category: S
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Semiotic function
The ability to represent aspects of one’s experiences either in private images or in public codes.
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Seminiferous tubules
A network of tubelike structures in the testicles in which sperm development takes place. A tubule in the testis which carries semen. Structures within the testes where the sperm are produced. Any of numerous long and convoluted tubes found in the testis; they are the sites of spermatozoa maturation. Channels or long tubules located in…
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Seminal fluid
Male reproductive fluid consisting of sperm and secretions from the seminal vesicles and prostate gland. It is ejaculated through the penis upon reaching orgasm. The fluid part of semen, formed in the epididymis and seminal vesicles. Fluid from the prostate and other sex glands that helps transport sperm out of the man’s body during orgasm.…
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Seminal emission
Seminal fluid.
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Semilunar valve
A half-moon shaped valve located in the main arteries that prevents blood from flowing back into the heart ventricles. Either of two valves in the heart, the pulmonary valve and the aortic valve, through which blood flows out of the ventricles. Heart valve with half-moon-shaped cusps (semilunar), as the aortic valve or the pulmonary valve.…
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Semiconscious
Partly conscious.
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Semicircular canal
Curved tubular canals in the inner ear that are concerned with equilibrium. Any of three bony, fluid-filled loops in the osseous labyrinth of the inner ear, concerned with the sense and maintenance of balance. Half-circle-shaped structures within the bony labyrinth of the inner ear that are critical to maintaining balance. Three tubes that form part…
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Semen analysis
Testing the ejaculate for the number of sperm, the sperm’s mobility, and the amount of fructose. The purpose is to determine the cause of infertility. A common test performed in evaluating infertility problems. A laboratory test to determine the fertility of a man. Semen is the thick, white fluid containing sperm cells that is expelled…
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Semen
The product of the male reproductive organs consisting of spermatozoa and fluid secretions from the prostate gland and other reproductive glands. The fluid emitted from the penis during ejaculation at the point of orgasm. The semen is made up of sperm (manufactured by the testes, matured and stored in the epididymis, and transported via the…
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Semantics
The organization of meaning in language, semantic features; semantic memory. Related to the definition of words.