Definition: A discharge; usually referring to a discharge of the male internal genital organs into the internal urethra; the contents of the organs, including sperm cells, prostatic fluid, and seminal vesicle fluid, mix in the internal urethra with mucus from the bulbourethral glands to form semen.
[L. emissio, fr. e- mitto, to send out]
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Examples: glitazone, GI cocktail, etc.