(v. i.) To drop the head or person suddenly; to bow.
(n.) A pet; a darling.
(n.) A linen (or sometimes cotton) fabric, finer and lighter than canvas, -- used for the lighter sails of vessels, the sacking of beds, and sometimes for men's clothing.
(n.) The light clothes worn by sailors in hot climates.
(v. t.) To thrust or plunge under water or other liquid and suddenly withdraw.
(v. t.) To plunge the head of under water, immediately withdrawing it; as, duck the boy.
(v. t.) To bow; to bob down; to move quickly with a downward motion.
(v. i.) To go under the surface of water and immediately reappear; to dive; to plunge the head in water or other liquid; to dip.
(v. t.) Any bird of the subfamily Anatinae, family Anatidae.
(v. t.) A sudden inclination of the bead or dropping of the person, resembling the motion of a duck in water.
Example Sentences:
(1) The move was confirmed by a Lib Dem aide, who said Tory claims to be green were "already a lame duck and are now dead in the water".
(2) The temperature of the anterior and middle hypothalamus of conscious Pekin ducks was altered with chronically implanted thermodes.
(3) Previous studies in the rat, mouse and duck had suggested that agents present in cigarette smoke might induce a cytochrome P450-mediated detoxication pathway, leading to protection against aflatoxin-induced primary liver cancer.
(4) Prolactin plasma concentrations decreased rapidly at the end of incubation in ducks which successfully hatched young as well as in unsuccessful incubators.
(5) From ducks A. laidlawii, M. anatis and various unclassified strains were isolated, among these M. anatis and unclassified arginine splitting mycoplasma strains proved to be pathogenic.
(6) The early phases of hepadnaviral infection were studied in primary duck hepatocyte cultures.
(7) In intact ducks changes in blood flow were recorded as changes in digital subcutaneous tissue temperature.
(8) But on Sunday night it was hard to duck the euphoria.
(9) In the Commons on Monday , John Whittingdale, the culture secretary who only in February chaired the committee that concluded “No future licence fee negotiations must be conducted in the way of the 2010 settlement”, ducked the invitation to explain how exactly the same thing had just happened again.
(10) He was never an intellectual; at Oxford, he did no work, and was proudest of playing squash and cricket for the university, though against Cambridge at Lord's he failed to take a wicket and made a duck.
(11) Adult mallard ducks fed 0, 2, 20, or 200 ppm of cadmium chloride in the diet were sacrificed at 30-day intervals and tissues were analyzed for cadmium.
(12) Typical herpesviral capsids and virions were seen in negatively-stained preparations of duck embryo fibroblasts.
(13) To study the effect of air sac pressures, a controllable pressure difference was produced between the air sac orifices of fixed duck lungs.
(14) Images of dead ducks in oil sands tailings pond have been plastered on billboards in Denver, Portland, Seattle and Minneapolis.
(15) You cannot now duck the fact that we have an electoral system which is completely out of step with the aspirations and hopes of millions of British people," he said.
(16) Three Newcastle disease viruses (NDV) isolated from wild ducks in Japan were evaluated for their biological activities, pathogenicity and immunogenicity against one-day-old chickens.
(17) With these synthetic peptides, radioimmunoassay systems for dog, rat, and duck C-peptides were developed.
(18) On the basis of the antiviral action of sulfated polyanions in human immunodeficiency virus and other viral infections, we studied the effect of dextran sulfate and heparin on duck hepatitis B virus infection.
(19) The (Na+ plus K+)-ATPase activities in salt gland homogenates increased 3- to 4-fold after saline treatment of ducks for 3 weeks.
(20) Compared with intact ducks, neither decerebration nor brain stem transection at the rostral mesencephalic (RM) level had any effect on development of diving bradycardia, or heart rate at the end of two-min dives.
Llama
Definition:
(n.) A South American ruminant (Auchenia llama), allied to the camels, but much smaller and without a hump. It is supposed to be a domesticated variety of the guanaco. It was formerly much used as a beast of burden in the Andes.
Example Sentences:
(1) A tumor involving the caudal portion of the brainstem was detected at necropsy after euthanasia of a 1-month-old llama with clinical signs consistent with vestibular disease.
(2) Llamas and alpacas, like dromedaries, have an extra fetal membrane that is derived from the epidermis of the fetus.
(3) Fecal, urine, and methane energy losses of the llamas fed near-maintenance intake were 32.5, 3.5, and 7.1% of gross energy intake, respectively.
(4) When it emerged that Malaysia Airlines flight MH370 had gone missing, he tweeted: "It occurs to me: All our good news on the economy is currently as submerged and lost as the Malaysian Airlines flight recorder..." The MP, whose Twitter avatar is a character from figure-skating comedy Blades Of Glory, also joked about having a relationship with a llama.
(5) In association with the watery amniotic fluid of llamas, the epidermal membrane is slippery, facilitating delivery of the fetus.
(6) A llama, a miniature horse, and a miniature donkey with severe bilateral congenital flexural deformities of the metacarpophalangeal and metatarsophalangeal joints were treated successfully by arthrodesis with dynamic compression plating or external skeletal fixation.
(7) Llamas and alpacas thus were refractory to a second copulatory or GnRH stimulus with regard to LH release for up to 24 h following an initial ovulatory release of LH.
(8) Three llamas (3.3%) had endometritis with gland fibrosis that was graded 2B.
(9) The cycle of the seminiferous epithelium of the llama was divided into eight stages, using as criteria the shape and distribution of the germ cell nuclei, the location of the spermatids, the presence of meiotic figures and the release of spermatozoa from the tubular wall.
(10) Hematologic values and cellular morphologic features were evaluated for 38 healthy adult llamas.
(11) N-terminal sequence analyses directly on an immobilon polyvinylidene difluoride (PVDF) membrane, following Western blotting of both native and SDS-denatured llama whey proteins after polyacrylamide gel electrophoresis, revealed three different forms of glycosylated alpha-lactalbumin, and a protein with a high degree of homology with a camel whey protein of unknown function.
(12) The effects of lactational status and reproductive status on patterns of follicle growth and regression were studied in 41 llamas.
(13) The incidence of detectable antibodies to this mycoplasma in 554 alpacas was 5.0 per cent and in 141 llamas 15.6 per cent.
(14) Blood counts of healthy juvenile and adult llamas (Lama glama) and guanacoes (L guanacoe) showed that guanacoes have higher red cell counts, haemoglobin values and packed cell volumes than llamas.
(15) Plasma samples of alpacas and llamas were analysed by a simple method of two-dimensional (2-D) agarose gel (pH 8.6)-horizontal polyacrylamide gel (pH 9.0) electrophoresis, followed by general protein staining of gels.
(16) Llamas in nearly every region of the United States have had titers in approximately 12% of samples tested, suggesting that infection with the organism may be widespread.
(17) Yohimbine and 4-aminopyridine in combination rapidly antagonized xylazine-induced sedation in llamas, whereas doxapram was ineffective as an antagonist of xylazine-induced sedation.
(18) Values for several of these tests were different from those reported for llamas and from reference values for other domesticated ruminants.
(19) One of the seronegative llamas died acutely without production of detectable antibodies, and the other developed antibodies typical of a primary immune response.
(20) The results show that there was higher hemoglobin concentration and higher oxygen capacity in blood from the fetal llama compared to the fetal sheep.