Malformation in which the urethra does not develop to full length, opening typically on the dorsum of the penis (and rarely, in females, between the clitoris and labia); frequently associated with exstrophy of the bladder.
Source: PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 750 (https://doi.org/10.1515/pac-2015-1202)