(n.) One of the Insecta; esp., one of the Hexapoda. See Insecta.
(n.) Any air-breathing arthropod, as a spider or scorpion.
(n.) Any small crustacean. In a wider sense, the word is often loosely applied to various small invertebrates.
(n.) Fig.: Any small, trivial, or contemptible person or thing.
(a.) Of or pertaining to an insect or insects.
(a.) Like an insect; small; mean; ephemeral.
Example Sentences:
(1) Employed method of observation gave quantitative information about the influence of odours on ratios of basic predeterminate activities, insect distribution pattern and their tendency to choose zones with an odour.
(2) Suspensions of isolated insect flight muscle thick filaments were embedded in layers of vitreous ice and visualized in the electron microscope under liquid nitrogen conditions.
(3) After treatment of larvae of instar 1 at preimago stages about 77% of the insects died.
(4) The presence of potential insect vectors and the occurrence of clinical signs are indications of active transmissions.
(5) Spectrophotometric tests for the presence of a lysozyme-like principle in the serum also revealed similar trends with a significant loss of enzyme activity in 2,4,5-T-treated insects.
(6) Radiation inactivation and simple target theory were employed to determine the molecular weight of an insect CNS alpha-bungarotoxin binding component in the presence and absence of a cross-linking reagent, dimethyl suberimate.
(7) Bacillus thuringiensis subspecies kurstaki (Btk) and subspecies berliner (Btb) both produce lepidopteran-specific larvicidal protoxins with different activities against the same insect species.
(8) Phyla as diverse as insects, birds, and mammals possess distinct HRAS and KRAS sequences, suggesting that these genes are essential to metazoa.
(9) Compounds identified as sex attractant pheromones in a number of phytophagous insects were found in a variety of host plants.
(10) casseliflavus from 43.5% of members of the 37 taxa of insects.
(11) This is the first demonstration of a 2-hydroxylated carotenoid in an insect.
(12) Among the most highly expressing transformed plants for each gene, the plants with the partially modified cryIA(b) gene had a 10-fold higher level of insect control protein and plants with the fully modified cryIA(b) had a 100-fold higher level of CryIA(b) protein compared with the wild-type gene.
(13) Expression of these two cDNAs in insect cells by recombinant baculovirus revealed that the alpha 1 subunit, after noncovalent association with the beta subunit, has the same potency as the native alpha subunit purified from the pituitary.
(14) We have examined the organization of the repeated and single copy DNA sequences in the genomes of two insects, the honeybee (Apis mellifera) and the housefly (Musca domestica).
(15) But pipeline opponents say that by moving beetles from the Nebraska sandhills and mowing miles of grass where the insects once lived, TransCanada has illegally begun construction on the project.
(16) The complete amino acid sequence of 147 residues was determined automatically for a major dimeric component (CTT VI) of the insect larva Chironomus thummi thummi (Diptera).
(17) Peptides B and C are isoforms of a 43-residue peptide which contains 6 cysteines and shows significant sequence homology to insect defensins, initially reported from dipteran insects.
(18) The results suggested that allergenic cross-reactivity between some fly species exists, and may extend to taxonomically unrelated insect species.
(19) The species studied were Triatoma infestans, Triatoma brasiliensis, Triatoma vitticeps, Triatoma pseudomaculata, Rhodnius prolixus and Panstrongylus megistus, and 34 to 348 insects were studied in each group (average, 190).
(20) There is evidence that they might predate on our native shrimps, on our insect larvae, possibly fish eggs.
Truncus
Definition:
(n.) The thorax of an insect. See Trunk, n., 5.
Example Sentences:
(1) The conus was found to contribute little to forward flow under ordinary circumstances, but its contribution increased greatly during bleeding or partial occlusion of the truncus.
(2) (7) Histologically, in the chick, the wall of the truncus and the conus contain cardiac muscle as late as stage 28, but from then on the walls of the truncus are transformed into connective tissue and plain muscle.
(3) It is concluded that this association of truncus arteriosus, aortic arch abnormalities and facial anomalies involves first and fourth branchial arch maldevelopment, and indicates embryological insult between the fourth and seventh weeks of gestation.
(4) Twenty-four patients with persistent truncus arteriosus who underwent total surgical correction at The Hospital for Sick Children in Toronto, Canada between October 1984 and December 1987 were investigated to determine whether the postoperative course is satisfactory even without performing replacement of the truncal valve.
(5) The subgroup of 12 fetuses with a large truncus (truncal diameter greater than 160% of the ascending aorta diameter in the controls) showed significantly greater values for right ventricular volume (200% of control) and mass (120% of control), left ventricular volume (170% of control) and mass (110% of control), right (120% of control) and left (110% of control) atrial volume, and pericardial fluid (140% of control) than the controls.
(6) Heart catheterization with angiocardiography at 1 and 2 wk of age revealed a truncus arteriosus type A 1 with a small frontal outbulging in the level with the outflow of the right ventricle, interpreted as a blind infurdibular chamber.
(7) Cross sectional and Doppler echocardiography and cardiac catheterisation showed a unique variant of truncus arteriosus with an intact ventricular septum.
(8) He underwent Rastelli operation at the age of 10 months with the diagnosis of truncus arteriosus (Collet & Edwards Type I).
(9) In the second case the patient had truncus arteriosus.
(10) Twelve hearts showed transposition, one had double-outlet outlet chamber, and another persistent truncus arteriosus.
(11) In every case, this artery arose from the truncus hepato-mesentericus, which in turn was a branch of a thick arterial truncus coeliaco-mesentericus.
(12) The surgical desirability and embryological implications of criteria for differentiating truncus arteriosus from aortopulmonary septal defect are presented.
(13) EPI constructions in the normal heart, transposition, truncus arteriosus and right heart hypoplasia are presented and discussed.
(14) Nineteen patients with truncus arteriosus and single pulmonary artery had corrective operations at the Mayo Clinic from 1969 to 1983.
(15) The trapezius muscle of Mustelus sharks, in contrast with that of human beings, was found to be supplied solely by rami accessorii--subbranches of the truncus intestino-accessorius of the vagus nerve; no evidence indicating the direct contribution of the spinal nerves to the innervation of the trapezius were obtained.
(16) In experiments with rats, it was shown that whole-body irradiation of animals with a dose of 500 Gy causes a decrease in the catecholamine mediator content of the truncus cerebri during the first minutes following irradiation.
(17) The following anomalies were observed: six cases of great vessels transposition, five cases of pulmonary artery atresia, five cases of truncus, three cases of tetralogy of Fallot and six cases of single ventricle.
(18) Five patients had a severe form of tetralogy of Fallot; six had pulmonary atresia; five had transposition of the great vessels, ventricular septal defect (VSD), and pulmonic stenosis; five had truncus arteriosus; and one had "corrected" transposition, VSD, and pulmonic stenosis.
(19) Persistent truncus asteriosus is now correctable surgically in patients with favorable anatomy.
(20) We report on a case of a 62-years old woman with dextroposition of the aortic arch and an atresia of the left brachiocephalic truncus.