尿道球腺液
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Meanings
1
pre-ejaculate; Cowper's fluid; pre-cum
Medical and anatomical term for the clear fluid secreted by the bulbourethral glands before ejaculation. The gloss 'pre-cum' is vulgar slang; the other glosses are clinical.
Pre-ejaculate serves to lubricate the urethra before ejaculation.
The amount of Cowper's fluid secreted varies from person to person.