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cold |
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cold (kōld) 1. low in temperature, in physiological activity, or in radioactivity. 2. common cold; a catarrhal disorder of the upper respiratory tract, which may be viral, a mixed infection, or an allergic reaction, and marked by acute rhinitis, slight temperature rise, and chilly sensations. common cold cold (2).
cold Etymology: AS, kald 1 adj, the absence of heat. 2 n, a contagious viral infection of the upper respiratory tract, usually caused by a strain of rhinovirus. It is characterized by rhinitis, tearing, low-grade fever, and malaise and is treated symptomatically with rest, mild analgesia, decongestants, and increased fluid intake. Also called common cold. 3 adj, a distant method of relating; not friendly. COLD [kōld] abbreviation for chronic obstructive lung disease. See chronic obstructive pulmonary disease. COLD chronic obstructive lung disease. See chronic obstructive pulmonary disease (COPD). cold 1. an acute disease of the upper respiratory tract characterized by cough, sneezing, running at the eyes and nose and mild fever, similar to the common cold of humans, occurring in captive primates. 2. a relatively low temperature; the lack of heat. A total absence of heat is absolute zero, at which all molecular motion ceases. See also hypothermia. cold acclimation short-term adjustments to carbohydrate and fat metabolism in response to exposure to low environmental temperatures. cold acclimatization heat production is not increased, but heat loss is reduced by changes in haircoat and vascular supply to the skin. cold applications the primary effect of cold on the surface of the body is constriction of the blood vessels. Cold also causes contraction of the involuntary muscles of the skin. These actions result in a reduced blood supply to the skin and produce a marked pallor. If cold is prolonged there may be damage to the tissues because of the decreased blood supply. The secondary effects of cold are the opposite of its primary action. There is increased cell activity, dilatation of the blood vessels, and increased sensitivity of the nerve endings. cold barn see cold housing (below). cold cow syndrome see shock. cold-enrichment a procedure that promotes growth of some bacteria during laboratory isolation. Suspensions of specimens are held at refrigerator temperatures for extended periods before being cultured. Recommended for recovery of Listeria monocytogenes from neural listeriosis and Yersinia spp. cold exposure see hypothermia. cold hemagglutinin disease see cold agglutinin disease. cold housing thin-walled, uninsulated barns with no central heating. cold injury includes hypothermia and frostbite. cold-nosed refers to a hound which is able to follow a cold (very old) scent. cold receptors receptors in the skin which are sensitive to low temperatures. cold rooms walk-in refrigerator; temperature used varies with material stored, e.g. meat needs 32°F to 45°F (0°C to 7°C), offal needs less than 28°F (−2°C). cold-shoeing fitting a horseshoe without heating it in a forge and shaping it exactly to the foot. See also shoeing. cold shortening shrinkage of meat when temperature is excessively low in early stages of chilling. cold steel surgery that using unheated cutting instruments; the normal surgical procedure in contrast to electrosurgery or cryosurgery. cold storage for meat to be stored for more than 72 hours the chilling temperature should be between 30°F and 23°F (−1 and −5°C) and the humidity less than 90%. cold store taint cut lean surfaces of chilled meat are covered with a brown slime and have a sour smell caused by growth of the bacteria Achromobacter spp. cold stress occurs at temperatures less than 50°F (10°C), varying with chill factor, wetness, protection from wind. cold therapy see cryosurgery, therapeutic hypothermia. cold tray the container used for immersion of instruments in a cold sterilization solution, usually with a rack that allows instruments to be lifted above the fluid level to drain before use. cold water hemolytic anemia see cold anemia. cold Common cold, see there Patient discussion about cold. Q. I think I caught a cold :( My throat is sore, and I keep snivel all the time. Is there anything I can do to in order to relieve the bad feeling? A. Go for a run, sweat it out then have some vitamin C and water. Or drink orange juice. Those things always make me feel better. Q. Can I catch pneumonia, if I go outside with wet hair? My Mother used to tell me when I was a kid that if I go outside with wet hair, I will catch pneumonia. Is this true? A. IF YOUR WET WATER REMOVES MORE HEAT FROM THE BODY FASTER THAN WHEN YOUR DRY ALSO CONSIDER THAT HEAT RISES WE LOSE MOST OF THE TOP OF OUR HEADS WHEN YOU ADD WATER YOU DRAMATICLY LOWER YOUR TEMPERATURE ON YOUR HEAD AND ALSO CONSIDER THAT IF YOUR MOVING FROM A COLD PLACE TO A WARM PLACE SEVERAL TIMES A DAY LIKE A FREEZER ON A HOT SUMMER DAY OR INDOORS TO OUT DOORS IN THE WINTER TIME 20 MINUTE INTERVALS I WILL SAY YES YOU CAN CATCH COLD AN GET THE SNIFFLES, COUGH AND OR SORE THROUGHT BUT I DO AGREE THAT YOU WON'T NECISARLY GET PENOMNIA FROM JUST WET HAIR ALONE THERES MANY MORE FACTORS FOR THAT. Q. can anyone tell me what kind of dietary supplements I can have to control cold and cough? I often get severe cold and then try with meds to get rid of cold….now the frequency is very less and I get cold without any reason and the meds also didn’t work for me……can anyone tell me what kind of dietary supplements I can have to control cold and cough? A. I have found that taking Oil of Oregano capsules, one a day helps to get rid of it then continue for general well being. Also, Wellness Formula by Source is an excellent supplement to not only give you the vitamin support that you need but it also has echinacea, an herb that will help to boost your immune system! As the label says, take 3 every 3 hours if you feel that you are out of balance.... Read more or ask a question about coldHow to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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