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Lac tubes created by Kerria lacca. Kerria lacca is a species of insect in the family Kerriidae, the lac insects.These are in the superfamily Coccoidea, the scale insects.. This species is perhaps the most commercially important lac insect, being a main source of lac, a resin which can be refined into shellac and other product
Unlike most food allergies, in some people, the alpha-gal allergy may recede over time as long as another tick does not bite the person. It has been found that with avoidance of further tick bites, levels of serum IgE decline. [8] The recovery period can take 8 months to 5 years. [6] [22] [9]
Kerriidae is a family of scale insects, commonly known as lac insects or lac scales.Some members of the genera Metatachardia, Tachardiella, Austrotacharidia, Afrotachardina, Tachardina, and Kerria are raised for commercial purposes, though the most commonly cultivated species is Kerria lacca.
The fly lays eggs on the forelegs of large animals. The eggs hatch within a week and penetrate the skin, where they migrate throughout the connective tissues (H. bovis) or to the esophagus (H. lineatum). After a few months, the larvae travel back to the skin surface and cause swellings called "warbles".
The word lac is derived from the Sanskrit word lākshā '(लाक्षा) representing the number 100 thousand, which was used for both the lac insect (because of their enormous number) and the scarlet resinous secretion it produces that was used as wood finish, lacquerware, skin cosmetic, ornaments and dye for wool and silk in ancient India and neighbouring areas.
Food allergies affect up to 10% of the worldwide population, and they are currently more prevalent in children (~8%) than adults (~5) in western nations. [34] In several industrialized countries, food allergies affect up to 10% of children. [95] Children are most commonly allergic to cow's milk, chicken eggs, peanuts, and tree nuts. [21]
Mosquito bite allergies, also termed hypersensitivity to mosquito bites, are excessive reactions of varying severity to mosquito bites. They are allergic hypersensitivity reactions caused by the non-toxic allergenic proteins contained in the saliva injected by a female mosquito (male mosquitos do not take blood-meals) at the time it takes its ...
The remaining live bugs are placed in a bucket with a small amount of warm water. This is then carefully agitated so as to make them release all their defense chemicals in alarm. This is repeated several more times until their stink glands are drained. [31] [32] The live bugs with their now empty stink glands are then boiled in water.