Term Name: | urogenital fold |
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Synonyms: | urethral fold, urogenital fold, urogenital ridge |
Definition: | One of of the pair of folds derived from the cloacal folds which give rise to a portion of the external genitalia; in male embryos they close over the urethral plate and fuse to form the spongy (penile) urethra and ventral aspect of the penis, not including the glans; failure of fusion of the urethral folds leads to hypospadias; in female embryos they fuse only anterior to the anus and form the labia minora[MP]. |
Ontology: | Cell Ontology [UBERON:0004876] |