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semen |
Also found in: Medical, Wikipedia, Hutchinson | 0.09 sec. |
semenor seminal fluidWhitish viscous fluid emitted from the male reproductive tract that contains sperm and liquids (seminal plasma) that help keep them viable. Sperm cells, produced by the testes in humans, represent 2–5% of semen volume; fluids from tubules, glands, and storage areas of the reproductive system bathe them as they travel down, nourishing them, keeping them motile, or participating in certain chemical reactions. During ejaculation, liquids from the prostate gland and seminal vesicles dilute the sperm and provide a suitable, slightly alkaline environment. An average ejaculation of a human male expels 0.1–0.3 cu inches (2–5 ml), containing 200–300 million sperm. semen 1. the thick whitish fluid containing spermatozoa that is ejaculated from the male genital tract 2. another name for sperm |
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| These rodent toxicology studies suggest that HAAs in drinking water, especially the brominated species, could pose a risk to the male reproductive system in humans, and that an evaluation of similar outcomes in human semen (sperm numbers, morphology, and motility) would be appropriate. WHO Laboratory Manual for the examination of human semen and semen cervical-mucus nteraction. Human semen trade is an estimated US$100 million industry worldwide, but Mexico is abstaining from entering the market and using its own internal resources. |
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