What's the difference between beaver and castor?

Beaver


Definition:

  • (n.) An amphibious rodent, of the genus Castor.
  • (n.) The fur of the beaver.
  • (n.) A hat, formerly made of the fur of the beaver, but now usually of silk.
  • (n.) Beaver cloth, a heavy felted woolen cloth, used chiefly for making overcoats.
  • (n.) That piece of armor which protected the lower part of the face, whether forming a part of the helmet or fixed to the breastplate. It was so constructed (with joints or otherwise) that the wearer could raise or lower it to eat and drink.

Example Sentences:

  • (1) Discussions were analyzed using the Hill Interaction Matrix and modified Beavers-Timberlawn Family Evaluation Scales.
  • (2) The report said beavers could improve fish stocks and their dams could help prevent flooding by slowing down the flow of water from high ground.
  • (3) But farmers and landowners have expressed concern about the impact of the species on rural businesses after reports of "significant impacts on agricultural land" in areas of Tayside where a colony of around 150 beavers has become established .
  • (4) The beavers have felled most of the bankside birch, sycamore and other trees they like to eat and use for their dams.
  • (5) On Wednesday it was reported that a beaver on the river had given birth to three young.
  • (6) Studies have been made on the peroxidase activity of metmyoglobins in animals from various ecological groups--the horse Equus caballus, cattle Bos taurus, beaver Castor fiber, otter Lutra lutra, mink Mustela vison and dog Canis familiaris.
  • (7) Scotland’s powerful salmon fishery and farming lobbies have repeatedly resisted or criticised beaver reintroductions, including blocking a plan for a second official release scheme at Insh Marshes national nature reserve near Kingussie in the Cairngorms – only 35 miles north of Loch Rannoch.
  • (8) The relationships of retinal drusen, retinal pigmentary abnormalities, and macular degeneration to age and sex were studied in 4926 people between the ages of 43 and 86 years who participated in the Beaver Dam Eye Study.
  • (9) At least two centuries after the species was hunted to extinction in the UK, three beaver families have been released into three lochs in forest unpopulated by people near the Sound of Jura in Argyll.
  • (10) FoE claimed all this was “a significant shift from the government’s previous position which stated that the beavers could not be allowed to remain and should be removed.” Alasdair Cameron, an FoE campaigner, said: “We’re delighted that the government appears to be listening to local people who want these beavers to swim freely in their rivers.
  • (11) In England, beavers are back on the river Otter , and otters on the river Trent.
  • (12) We had two objectives in this study: 1) to determine if patients who might benefit from exercise training could be selected based on resting respiratory function measurements; 2) to determine if the work rate at which the metabolic acidosis starts to develop could be reliably determined, non-invasively, by a simple modification of the recently described V-slope method of Beaver et al.
  • (13) A new pair of beavers has been released into a river in Devon to boost the genetic diversity of England’s only wild population of the mammals.
  • (14) On the thigh of an Europa Beaver, Castor fiber L., dead after 8 years of captivity, a candidiasis has been found due to Candida albicans.
  • (15) The prevalence of Giardia infection in juvenile and adult live-trapped muskrats was similar (92.5 and 94.4%, respectively), but the prevalence in juvenile live-trapped beavers (23.2%) was significantly greater than that seen in the adult animals (12.6%).
  • (16) It was in a bar at the LSE called [cue dramatic pause]… the Beaver's Retreat."
  • (17) MisterRed 07 May 2014 6:46pm Leeds: LSD and a couple of E's 77E112E1240H 07 May 2014 8:34pm Rotterdam - Bring Your Own Beaver.
  • (18) Dairy farmer Dave Lawrence took the Guardian to the spot where the beavers are usually seen, close to an island in the river thick with nettles, willow and thistles.
  • (19) Facebook Twitter Pinterest Come spring otters will hunt the vulnerable baby beaver kits.
  • (20) Historically it was one of the first areas of western Canada visited by European explorers, travelling over the Methye Portage to reach the Clearwater and Athabasca rivers, rich sources of the furs that were shipped back to England to feed the demand for beaver hats – the first resource exploitation.

Castor


Definition:

  • (n.) A genus of rodents, including the beaver. See Beaver.
  • (n.) Castoreum. See Castoreum.
  • (n.) A hat, esp. one made of beaver fur; a beaver.
  • (n.) A heavy quality of broadcloth for overcoats.
  • (n.) See Caster, a small wheel.
  • (n.) the northernmost of the two bright stars in the constellation Gemini, the other being Pollux.
  • (n.) Alt. of Castorite

Example Sentences:

  • (1) However, this inhibition was not found in rats treated with castor oil for 3 d. Moreover, 5-HT concentration in the midbrain significantly decreased in rats that acquired the adaptability for the occurrence of diarrhea.
  • (2) The IgE potentiating component in castor bean was found to enhance IgE responses to other antigens such as ovalbumin and when 0.8 microgram of an unheated castor bean extract was administered together with an optimal dose of ovalbumin, there was a substantial increase in ovalbumin-specific IgE but not IgG in all animals.
  • (3) The time-course of castor oil-induced diarrhea in fasted rats was quantified by weighing stools every 15 minutes for 8 hours after the challenge and then after 24 hours.
  • (4) We compared the antidiarrheal effects of CGS 9343B to other prototype antidiarrheal agents including morphine, loperamide and chlorpromazine in the castor oil-induced model of secretory diarrhea in mice.
  • (5) The nucleotide sequence of the castor clone pRCD1 revealed an open reading frame of 1.2 kilobases encoding a 396-amino acid protein of 45 kDa.
  • (6) Castor bean allergy seems to be a good model in the testing of human reaginic hypersensitivity.
  • (7) The plasma membrane components of five human B-cell lines and three human T-cell lines were separated by dodecyl sulfate polyacrylamide gel electrophoresis, incubated with the radioactive labeled lectins from lentil, castor bean, wheat germ, Phaseolus bean, peanut, gorse and the Roman snail and the molecular weights of the binding sites determined.
  • (8) Conformation and conformational transitions of phytohemagglutinins (lectins) from Arachis hypogaea (peanut), Lens culinaris (lentil), Glycine max (soybean), and Ricinus communis (castor bean) were studied by the circular dichroism probe.
  • (9) Initiation of breast-feeding within 4-6 hours was noted only in 8.03% of mothers whereas 53.07% of mothers and 9.72% of mothers started sugar water and castor oil as prelacteal feedings respectively.
  • (10) The following 125I-lectins were used: Concanavalin-A (specific for glucose and mannose), wheat germ agglutinin (specific for N-acetylglucosamine), castor bean agglutinin (specific for galactose), Wistaria floribunda agglutinin (specific for N-acetylgalactosamine), and soybean agglutinin (specific for N-acetyl-galactosamine).
  • (11) Although the highly toxic nature of castor bean (Ricinus communis) is well recognized, reports of human toxicity in the English medical literature are scarce.
  • (12) An orally applicable pulsatile drug delivery system in dry-coated tablet form was prepared using diltiazem hydrochloride as the model drug, and a polyvinyl chloride-hydrogenated castor oil-polyethyleneglycol mixture as the outer shell of the tablet.
  • (13) The IgE response to castor bean (Ricinus communis) was studied in 96 castor bean-allergic patients from Marseilles, France.
  • (14) Strains of types a, d, f, and g agglutinated within 2 h. Strains of a, d, and f were also agglutinated in 2 h by the castor bean lectin RCA.
  • (15) Regional changes in concentrations of histamine (HA), serotonin (5-HT) and 5-hydroxyindoleacetic acid (5-HIAA) in the rat brain were investigated after diarrhea induced by castor oil.
  • (16) The effects of oil components in the formulated vehicle on the permeation of diclofenac across the skin were in the following order: squalane greater than or equal to squalene greater than liquid paraffin greater than middle chain triglyceride greater than olive oil greater than castor oil.
  • (17) Pretreatment of intact castor bean endosperm tissue with tunicamycin partially inhibits the cotranslational core glycosylation step and results in the accumulation of a single sized unglycosylated precursor polypeptide of relative molecular mass 59 000.
  • (18) In solvent-pretreated rats, diarrhea was always observed within 90 min after castor oil, reflecting a state of hyperpropulsive activity of the gut, but never (up to 8 h) after paraffin oil, reflecting normal intestinal propulsion (which amounted to an average distance of 91% of the total length of the small intestine in 90 min).
  • (19) Studies have been made on the peroxidase activity of metmyoglobins in animals from various ecological groups--the horse Equus caballus, cattle Bos taurus, beaver Castor fiber, otter Lutra lutra, mink Mustela vison and dog Canis familiaris.
  • (20) Healthy subjects and conventional as well as germ-free rats also excrete these substances after ingestion of castor oil.