labioscrotal swellings

la·bi·o·scro·tal swell·ings

paired primordial elevations flanking the genital tubercle and the urogenital orifice of the embryo; they develop into the labioscrotal folds, which become the labia majora in the female and unite to form the scrotum of the male.
Synonym(s): genital swellings

labioscrotal swellings

paired swellings flanking the developing genital tubercle and urogenital orifice prior to sex differentiation; destined to form the labia or scrotum.