(n.) The front median plate of the labium in insects. See Labium.
Example Sentences:
(1) My experience with augmentation of the nose and mentum with polyamide mesh in more than 200 cases indicates that it is a simple and safe material for implantation.
(2) Ten patients presented with mentum posterior; only 2 were delivered vaginally after spontaneous rotation.
(3) Of 12 fetuses in the mentum transverse position, 11 were delivered vaginally after spontaneous rotation to mentum anterior.
(4) A polygraphic study with simultaneous recordings of electroencephalography, actograms of the abdominal walls, the mentum and the anterior neck, and electromyogram of the intercostal muscles revealed a cyclic appearance of apnea in the sleep phase and gasping preceding arousal, which, together with macroglossia and sleep in the sitting position, suggested a cyclic obstruction of the upper airway.
(5) The position was mentum anterior in 26 patients (51%), all but one of whom were delivered vaginally.
(6) Cephalometric radiographs from one patient showed an enlargement of the mentum-groove-labial distance.
(7) Because vertical dimension is reduced in the endentulous position, the mentum is in a superior and protrusive position.
(8) Impact acceleration corresponding to weak and strong tapping was considered a dynamic load in examining the vibration transfer characteristics of the facial cranial bone when impact was applied from the mentum section in a situation designed to be closer to reality.
(9) In reference to the shape of mentum, however, it is yet inexplicable up to the present that the human mentum is such toughly shaped as being bearable against the force induced by mastication.
(10) This operation, or some modification of its concept and technique, should become a standard ancillary face lift procedure in patients requiring correction of a senile chin deformity for elimination of the ptosis of the mentum and improvement of the adjacent integumentary contours.
(11) The surgical operation was performed and the findings were: dilated gallbladder with necrotic aspect, free floating with torsion of the cystic duct (greater than 180 degrees) wrapped in the mentum.
(12) The procedure usually provides a reduction in height of mentum, sometimes with an advancement, and involves ablation of an intermediate bone fragment.