urogenital folds

(redirected from plicae urethrales)

urogenital folds

derived 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.

urogenital

pertaining to the urinary system and genitalia; urinogenital; genitourinary.

urogenital folds
elongated, ventral portion of the cloacal folds; contribute to the formation of the urethral groove on the ventral aspect of the genital tubercle.
urogenital membrane
ventral part of the cloacal membrane separating the gut from the fetus's external environment.
urogenital orifice
opening between the fetal urogenital sinus and the amniotic cavity.
urogenital sinus
see urogenital sinus.
urogenital system
urogenital tract, urogenital system
genitourinary system.