chigger
chig·ger
C0290500 (chĭg′ər)chigger
(ˈtʃɪɡə)chig•ger
(ˈtʃɪg ər)n.
Noun | 1. | ![]() |
2. | chigger - larval mite that sucks the blood of vertebrates including human beings causing intense irritation |
单词 | chigger | ||||||
释义 | chiggerchig·gerC0290500 (chĭg′ər)chigger(ˈtʃɪɡə)chig•ger(ˈtʃɪg ər)n.
chiggerchigger,minute, six-legged, reddish larva of the harvest mitemite,small, often microscopic arachnid that belongs to several orders in the subclass Acari (or Acarina), to which the tick also belongs; mites and ticks are related to the spiders. ..... Click the link for more information. , one of various red bugsred bug, name for various red insects or arachnids. Chief among them are the cotton stainer of the S United States, which pierces the seeds of the cotton plant and discolors the fibers, and the larva of the harvest mite, or chigger, the cause of red-bug dermatitis. ..... Click the link for more information. widely distributed throughout the world and common in the S United States. Attaching itself by its mouthparts to the skin of its vertebrate host, the chigger injects saliva that destroys cells and may cause an intense irritation known as red-bug dermatitis. The food of the chigger consists of the cellular contents and tissue fluid of the host. Certain Asian species carry minute organisms (rickettsias) that cause scrub typhus, a disease of humans. Chiggers are classified in the phylum ArthropodaArthropoda [Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders, scorpions, and the extinct trilobites. ..... Click the link for more information. , class Arachnida, subclass Acari, order Trombidiformes, family Trombiculidae. chigger[′chig·ər]chiggerchigger[chig´er]chig·ger(chig'er),chigger(chĭg′ər)chiggerDermatologyA popular term for the dermatitis caused by mite larvae (chiggers). Clinical findings Intense pruritis, red rash on the waist, ankle and skin folds. Management Usually resolve spontaneously; ± antihistamines for itching. Entomology Harvest mite, red bug. chiggerA popular term for the dermatitis caused by mite larvae–chiggers Clinical Intense pruritis, red rash on the waist, ankle and skin folds Management Usually resolve spontaneously; ± antihistamines for itching. See Chigger.chig·ger(chig'ĕr)chiggerThe harvest mite, commonly encountered in the fields in autumn. The bites cause irritation, a form of SCABIES, and sometimes severe dermatitis. In the Far East chiggers transmit scrub typhus. They can be avoided by the use of insect repellents. Not to be confused with CHIGOE.chigger
Synonyms for chigger
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