Definition: A rare congenital anomaly in which the penis is partly or completely duplicated; may be laterally symmetric, or placed one above the other; often there are associated urogenital or other anomalies; occurs when two genital tubercles develop. May also be associated with exstrophy of the urinary bladder and splitting of the genital tubercle.
Synonym(s): bifid penis
[G. di-, two, + phallos, penis]
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Examples: glitazone, GI cocktail, etc.