(n.) The bill or nib of a bird, consisting of a horny sheath, covering the jaws. The form varied much according to the food and habits of the bird, and is largely used in the classification of birds.
(n.) A similar bill in other animals, as the turtles.
(n.) The long projecting sucking mouth of some insects, and other invertebrates, as in the Hemiptera.
(n.) The upper or projecting part of the shell, near the hinge of a bivalve.
(n.) The prolongation of certain univalve shells containing the canal.
(n.) Anything projecting or ending in a point, like a beak, as a promontory of land.
(n.) A beam, shod or armed at the end with a metal head or point, and projecting from the prow of an ancient galley, in order to pierce the vessel of an enemy; a beakhead.
(n.) That part of a ship, before the forecastle, which is fastened to the stem, and supported by the main knee.
(n.) A continuous slight projection ending in an arris or narrow fillet; that part of a drip from which the water is thrown off.
(n.) Any process somewhat like the beak of a bird, terminating the fruit or other parts of a plant.
(n.) A toe clip. See Clip, n. (Far.).
(n.) A magistrate or policeman.
Example Sentences:
(1) Bidrin treatment of quail embryos results in axial anomalies as well as malformations of the beak and the limbs.
(2) Apert-Crouzon syndrome (formerly ACS type 2; 10130) is now considered a subset of autosomal dominant Apert acrocephalosyndactyly type 1 (10120), with features of craniosynostoisis, syndactyly of all extremities, maxillary hypoplasia, "parrot-beaked" nose, hypertelorism, exophthalmos, external strabismus, and short upper lip.
(3) Two experiments were conducted to compare beak treatment effects on pullets of three genetic stocks.
(4) Between June 20 and the end of August, whalers in Wadaura and three other villages will be permitted to catch 66 Baird's beaked whales that, because of their relatively small size, are not covered by the 1986 International Whaling Commission's ban on commercial hunting.
(5) A total of 45 of the 60 birds in the aviary developed pox lesions around the beaks and eyes.
(6) Two cases are reported with the following symptoms: broad thumbs and toes, typical facial abnormalities with beaked nose and hypertelorism.
(7) Strain effects were noted in rate of feed consumption following beak trimming.
(8) The area dorsalis projects 10 degrees-15 degrees below the eye-beak axis where the field is 35 degrees wide.
(9) Retinoid treatment interferes with reciprocal epithelial-mesenchymal interactions in the upper beak.
(10) Primary sensory projection areas, such as the ectostriatum (visual), hyperstriatum intercalatum superius (visual), nucleus basalis (beak representation), the input layer L2 of the auditory field L and the somatosensory area rostral to field L were selectively left unstained.
(11) The beak and legs malformations are prevented by analogs of nicotinamide.
(12) The various components of these muscles are provided with stiff as well as wide aponeuroses and tendons (much stronger than those observed in Columba), indicating forceful opening and closure of the beaks for plucking off the fruit, grasping it hard and manipulating it with the help of the beaks before swallowing.
(13) A cyclical load of 500 N was applied to the handles of the pliers, while a 0.9 mm (0.036 inch) round, stainless steel wire was held between the tips of the beaks.
(14) The evolution of the component was studied after sequencing the component in different odontocetes representing the Delphinidae (delphinids), Monodontidae (narwhals), and Ziphiidae (beaked whales).
(15) Beak trimming affected body weight and feed usage levels for the sexes differently.
(16) Egg quality and size were not influenced by beak trimming treatments.
(17) This study in the chicken investigated whether the integrity of taste buds in the lower beak is normally dependent upon innervation by the chorda tympani.
(18) A low incidence of gross malformations such as twisted limbs, abnormal beak, short neck and everted viscera were observed; however, the increased incidence was not statistically significant when compared to controls.
(19) The value of a combined developmental and functional approach to morphology, i.e., integrated investigation of development of structure and function of the beaks and related jaw musculature, is discussed.
(20) Genetic stock by age and beak treatment by age interactions were present for hen-housed production and egg mass, and the interactions appeared to result primarily from increased mortality from cannibalistic pecking with increased age.
Insect
Definition:
(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.