| 释义 |
urethral folds urogenital foldsderived from the cloacal folds; in male embryos, they close over the urethral plate and fuse to form the spongy urethra and ventral aspect of the penis; in female embryos, the unfused urogenital folds develop into the labia minora. Synonym(s): plicae urethrales, urethral folds |