laTjium, gen. /a'bw, pi. /o'6ia

[L.] 1. A lip. ^. Any lip-shaped structure. 3. In entomology, the lower lip of an insect (see labrum). 1. cer'ebri, the inner border of each cerebral hemisphere overlapping the corpus callosum ma'jus puden'di (pi. la'bia majo'ra) [BNA], one of two rounded folds of integument forming the lateral boundaries of the rima pudendi. mi'nus puden'di (pi. la'bia mino'ra) [BNA], nytnpha; one of two narrow longitudinal folds enclosed in the cleft within the labia major a; posteriorly they gradually merge into the labia major a and join to form the fourchette, or frenulum labiorum pudendi; anteriorly each labium divides into two portions which unite with those of the opposite side in front of the glans clitoridis to form the prepuce, and behind to form the frenulum. 1. o'ris [BNA], one of the lips bounding the cavity of the mouth. tympan'jcum [BNA], tympanic lip, the free border of the lamina spiral is o ea of the cochlea. ure'thrje, one of the two lateral margins of the meatus urinarius. I. u'teri, the thick margin of the external os uteri constituting the vaginal portion of the cervix; the lips are spoken of as anterior and posterior, though there is no true line of demarcation between them. vestibula're [BNA], vestibular lip, an edge of thickened periosteum projecting into the duct us cochlear is just above the 1. tympani cum. 1. voca'le (pi. la'bia voca'lia) [BNA], the projection at either side of the rima glottidis, formed of mucous membrane covering the vocal ligament and vocal muscle; its free margin forms the true vocal cord.