(n.) A small European rodent (Cricetus frumentarius). It is remarkable for having a pouch on each side of the jaw, under the skin, and for its migrations.
Example Sentences:
(1) The microsomal preparations from untreated Syrian golden hamster livers exhibited higher activities of N-demethylation towards the macrolide antibiotics, erythromycin and troleandomycin, than those from untreated and phenobarbital-treated rats.
(2) Because cystine in medium was converted rapidly to cysteine and cysteinyl-NAC in the presence of NAC and given that cysteine has a higher affinity for uptake by EC than cystine, we conclude that the enhanced uptake of radioactivity was in the form of cysteine and at least part of the stimulatory effect of NAC on EC glutathione was due to a formation of cysteine by a mixed disulfide reaction of NAC with cystine similar to that previously reported for Chinese hamster ovarian cells (R. D. Issels et al.
(3) Although Jeggo's Chinese hamster ovary cells were more responsive to mAMSA, novo still abrogated mAMSA toxicity in the mutant cells as well as in the parental Chinese hamster ovary cells 2,4-Dinitrophenol acted similarly to novo with respect to mAMSA killing, but neither compound reduced the ATP content of V79 cells.
(4) The amino acid pools in Chinese hamster lung V79 cells were measured as a function of time during hyperthermic exposure at 40.5 degrees and 45.0 degrees C. Sixteen of the 20 protein amino acids were present in sufficient quantity to measure accurately.
(5) Both treatments depressed nocturnal pineal melatonin content in rats and hamsters.
(6) Stimulation of dopamine D2 receptors potentiates Ca2+ ionophore- or ATP-induced arachidonic acid (AA) release in D2 receptor cDNA-transfected Chinese hamster ovary (CHO) cells [CHO(D2)].
(7) Its metabolism was studied in the hamster in comparison with sodium 3 alpha, 7 alpha-dihydroxy-24-nor-5 beta-cholane-23-sulfonate and sodium taurochenodeoxycholate.
(8) In the first experiment ovariectomized female hamsters were administered varying dosages of progesterone (P), dihydrotestosterone (DHT) or CI-628 at the same time (concurrently) as estrogen (EB) or 48 hr after EB (sequentially).
(9) When an expression vector containing plasminogen cDNA is transfected into baby hamster kidney cells, the number of drug-resistant colonies as well as the levels of plasminogen secreted by those colonies is lower than observed in similar transfections of other protease precursor genes.
(10) These findings suggest that in hamsters (i) A and B antigens are tumor-related antigens; (ii) H, Le(b), Le(x) and Le(y) are oncofetal antigens; and (iii) fucosylation is an important event in cell differentiation.
(11) Cell recovery data for the hamster, rat, guinea pig, and rabbit were related to body size with the hamster having the lowest count and the rabbit the highest count.
(12) Fertilization of golden hamster eggs was blocked both in vitro and in vivo by antibodies produced in rabbits against specific hamster ovarian antigens (HOA).
(13) Chromosome aberrations were scored in BHK21 C13 Syrian hamster fibroblasts, exposed to 60Co gamma-rays, 250 kV X-rays, 15 MeV neutrons or neutrons of mean energy 2.1 MeV produced from the 9Be(d,n)10B reaction.
(14) After approximately 20 in vitro passages, Chinese hamster kidney (CHK) cell cultures transformed upon exposure to different strains of SV 40 can show a diploid modal chromosome number of 22 with chromosome counts exclusively or essentially in the diploid range (20-25).
(15) Stable mutants which are between 1.6- and 2.2-fold resistant to the microtubule inhibitor, nocodazole (NocR mutants) have been isolated in Chinese hamster ovary cells after a single-step selection.
(16) In the terminal segment of the hamster epididymidis there was some evidence of micro-merocrine protein secretion a the level of the principal cells and clear evidence of granular secretion in the light cells, presumable of glycoproteins.
(17) It was previously demonstrated that multidrug-resistant Chinese hamster cell lines contain an amplified, transcriptionally active DNA sequence designated mdr.
(18) Malignant melanoma of the conjunctival region was induced in the golden Syrian hamster.
(19) Furthermore, the animals did not increase their intake of sunflower seeds, a preferred diet for hamsters.
(20) Cheek pouches were removed from BIO 87.20 male hamsters 4 weeks, 8 months or 18 months of age.
Puffin
Definition:
(n.) An arctic sea bird Fratercula arctica) allied to the auks, and having a short, thick, swollen beak, whence the name; -- called also bottle nose, cockandy, coulterneb, marrot, mormon, pope, and sea parrot.
(n.) The puffball.
(n.) A sort of apple.
Example Sentences:
(1) Inspired by chaos, Floyd would address the crew as often as the camera, would get palpably squiffy as programmes wore on, would indulge in any manner of derring-do (from playing rugby with Welshmen to shooting seals and eating puffins) and would be lovably madcap.
(2) For most assays the values were highest for the puffin.
(3) • Doubles from £117 room-only, Thorsgata 1, Odinstorg Square, +354 511 6200, hotelodinsve.is Icelandair Hotel Reykjavik Marina Facebook Twitter Pinterest It may not be in the heart of downtown but the Reykjavik Marina has a great location by the harbour, close to where the whale- and puffin-watching tour boats depart from.
(4) In July, puffin numbers on the Farne Islands were down 35% in five years.
(5) The first detailed puffin count on the Farnes was in 1969, when the islands had 6,800 pairs.
(6) In May, the National Trust embarked on a census to discover whether puffin numbers had plummeted after a year of extreme weather, and the UK barn owl population was reported to have suffered its worst breeding season for more than 30 years after a run of extreme weather events.
(7) The prevalence of Soldado (SOL) virus and SOL virus antibodies was investigated on immature sea birds and the argasid tick Ornithodoros (Alectorobius) maritimus collected on Puffin Island, North Wales.
(8) He picked out native endangered and beloved species such as the heath fritillary butterfly on Exmoor, the netted carpet moth in Cumbria and puffins on the Farne islands as having done well.
(9) If Kaye Webb, the Puffin editor, was publishing a book, it was good to go, and best get it into your school bag sharpish.
(10) Even so, 37 birds once common in the UK, such as lapwing, puffin and curlew are now close to dying out because of habitat loss, climate change and increasingly intensive farming.
(11) Over-fishing may be playing a part, or the gradual effect of climate change in warming the sea and affecting the small fish and plankton which the puffins eat over the winter."
(12) Biologists have reported plummeting sea bird populations, with falls of a third in numbers of puffins on the Farne islands off the Northumberland coast, and the Isle of May at the Firth of Forth, as well as declines in food sources for mammals and birds, such as sand eels.
(13) There are more than 300 films on its site, which also has cameras on pandas, bison and puffins.
(14) Hallgrímsson grew up in the remote Westman Islands, an archipelago off the southern coast of Iceland that is home to 8 million puffins, 80 volcanoes, and 4,135 people.
(15) MFO activity was measured for adult Leach's storm-petrels (Oceanodroma leucorhoa), guillemot (Uria aalge) and Atlantic puffins (Fratercula arctica).
(16) Questioned about which one UK species they would like to save from extinction, 52% said hedgehogs, ahead of other at-risk species such as the sparrow, puffin, mistle thrush and hairy-footed flower bee .
(17) A carbon furnace atomic absorption procedure is described for the determination of cadmium in the livers and kidneys of puffins, fratercula arctica.
(18) Generally, different contaminants had not co-accumulated in tissues; this was so even for the lipophilic compounds (DDE and PCBs), with the exception of puffin fat.
(19) Melissa Moore, the Marine Conservation Society ’s head of policy, said: “We’re recommending that the final tranche in 2017 includes South Celtic Deep – a site that supports short-beaked common dolphin; Norris to Ryde, which is rich in seagrass meadows; Mud Hole off the north west coast - 35 metres deep and home to rare sea pens - and Compass Rose off the Yorkshire coast, which is an important spawning and nursery ground for herring and lemon sole.” The government is also set to consult on new special areas of conservation for harbour porpoise and special protection areas to protect feeding and bathing areas used by birds, such as spoonbills in Poole Harbour and puffins on the Northumberland coast.
(20) Liver DDE levels in experimental ducks and guillemots were comparable to those reported for seabirds found dead after kills; levels in starved experimental puffins were much higher.