has quality has quality produced by produced by viscous secretion of exocrine gland bulbo-urethral gland bulbourethral gland secretion pre-ejaculate secretion of bulbo-urethral gland NCIT:C52554 bulbo-urethral gland secretion MA:0002524 EMAPA:36544 FMA:62968 A bodily secretion that is produced by a bulbourethral gland. Wikipedia:Bulbourethral_gland#Function UBERON:0004691 bodily fluid seminal fluid