(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.
Mollusk
Definition:
(n.) One of the Mollusca.
Example Sentences:
(1) A significant proportion of the soluble protein of the organic matrix of mollusk shells is composed of a repeating sequence of aspartic acid separated by either glycine or serine.
(2) Low concentrations of cercaricides are toxic both for cercariae and parthenites from the liver of mollusks and for freely swimming cercariae.
(3) The neuroendocrine bag cell neurons of the marine mollusk Aplysia produce prolonged inhibition that lasts for more than 2 hr.
(4) Changes in the membrane properties of the oocyte of the mollusk, Patella vulgata, were analyzed following the induction of meiosis reinitiation by paleopedial ganglia extract or by the weak base ammonia.
(5) Fossil glycoproteins of the soluble organic matrix are present in an 80-million-year-old mollusk shell from the Late Cretaceous Period.
(6) 12-Hydroperoxy-5,8,10,14-eicosatetraenoic acid (12-HPETE), a lipoxygenase product, simulates the synaptic responses produced by the modulatory transmitter, histamine, and the neuroactive peptide, Phe-Met-Arg-Phe-amide (FMRFamide), in identified neurons of the marine mollusk, Aplysia californica (Piomelli, D., Shapiro, E., Feinmark, S. J., and Schwartz, J. H. (1987) J. Neurosci.
(7) A number of observations, as listed below, suggested a cholinergic basis for inhibitory interactions between photoreceptors of the eye in the nudibranch mollusk Hermissenda crassicornis.
(8) Some vital functions of mollusks (nutrition, oviposition, and support substratum) are closely related to vegetation.
(9) Localization of catecholamines in the nervous system of 12 species of Trematodes parthenitae from marine mollusks has been studied using the method of glyoxilic acid-induced fluorescence.
(10) We tested this idea using the simple nervous system of the marine mollusk, Aplysia californica.
(11) Attempts to introduce infectious or foreign material into oysters and other bivalve mollusks usually involve force or trauma because of immediate, prolonged adduction of the tightly closing valves.
(12) Chromatin organization in the sperm of the bivalve mollusks results from the interaction between a discrete number of protamine-like proteins (PL) and DNA.
(13) Psilotrema simillimum has one intermediate host, the mollusk Bithynia leachi.
(14) Appropriate preparation of food, control of mollusks and planarians, and elimination of rodents are important measures in limiting the further spread of eosinophilic meningitis caused by A. cantonensis.
(15) were found in the land mollusks Bradybaena duplocincta and Jaminia potaniniana asiatica collected on the slopes of Tien-Shan.
(16) Diagnosis of neoplasia in the living mollusk was achieved rapidly and accurately by cytologic examination of circulating blood.
(17) The small hydrotechnique objects, such as irrigation and drainage systems, fish cultivating ponds, isolate and cascade artificial water reservoirs, channels considerably change the ecological conditions of mollusks of the genus Codiella, the first intermediate host of Opisthorchis felineus.
(18) The control measures consisted of the prohibition of the harvest and sale of all bivalve mollusks as well as a public warning to avoid the consumption of such shellfish.
(19) It is expedient to use mollusks, both for testing of N-nitroso compounds and as a biologic indicator of hydrospheric pollution.
(20) Octopamine may have functions of its own in the central nervous system of mollusks.