brown recluse spider

spider

[spi´der] 1. an arthropod of the class Arachnida.2. vascular spider.spider bite in the United States, the two spiders whose bites are most likely to cause a serious reaction are the black widow spider(Latrodectus mactans) and the brown recluse spider(Loxosceles reclusa). Signs and symptoms are associated with the effects of injection of the venom and include pain at the injection site, weakness, muscle pain and cramps, elevated blood pressure, and restlessness. Bites by these spiders must be treated promptly and effectively. First aid is the same as that for a snakebite and includes the following:
1. Wash the wound with soap and water and apply a clean dressing.
2. Apply a constricting band between the area of the bite and the heart.
3. Keep the person calm and transport him to the hospital or medical facility as soon as possible.
4. If swelling becomes apparent, apply a cold compress to the area.black widow spider Latrodectus mactans, a poisonous spider found in North America; see spider bite.brown recluse spider Loxosceles reclusa, a poisonous spider found in North America; see spider bite.vascular spider a telangiectasis due to dilatation and branching of superficial cutaneous arteries, which presents as a bright red central portion with branching radiations, the whole somewhat resembling the configuration of a spider. The lesions may occur singly or in large numbers, and may be nevoid or acquired, being commonly associated with pregnancy and liver disease. Called also nevus araneus, spider nevus, and spider telangiectasia.

brown recluse spider

n. A venomous spider (Loxosceles reclusa) having a violin-shaped mark on the cephalothorax, native to the southern and central United States and found in dark undisturbed areas such as closets and sheds. Also called fiddleback spider.

rec·luse spi·der

(rek'lūs spī'dĕr) The (brown) recluse spider is a venomous representative, Loxosceles reclusa, of the family Sicariidae (formerly of the family Loxoscelidae); native to the United States from the southern Midwest south to the Gulf of Mexico, but found elsewhere too. Most bites are minor with no necrosis, but consequences may be worse in some cases.
Synonym(s): brown recluse spider.

单词	brown recluse spider
释义	brown recluse spider brown recluse spider n. A venomous spider (Loxosceles reclusa) having a violin-shaped mark on the cephalothorax, native to the southern and central United States and found in dark undisturbed areas such as closets and sheds. Also called fiddleback spider. brown′ rec′luse spi`der n. a pale brown, highly venomous North American spider, Loxoscelesreclusa, distinguished by a dark violin-shaped mark on the head region. [1960–65] brown recluse spider brown recluse spider or violin spider, poisonous nocturnal spiderspider, organism, mostly terrestrial, of the class Arachnida, order Araneae, with four pairs of legs and a two-part body consisting of a cephalothorax, or prosoma, and an unsegmented abdomen, or opisthosoma. ..... Click the link for more information. , Loxoceles reclusa, most common in the SE and S central United States. Adults are 3-8 in. (10 mm) long and are light brown with a dark, violin-shaped mark on the back near the head. In humans their venom kills the tissue surrounding a bite and leaves a deep sore, but only rarely does a bite result in death. brown recluse spider spider [spi´der] 1. an arthropod of the class Arachnida.2. vascular spider.spider bite in the United States, the two spiders whose bites are most likely to cause a serious reaction are the black widow spider(Latrodectus mactans) and the brown recluse spider(Loxosceles reclusa). Signs and symptoms are associated with the effects of injection of the venom and include pain at the injection site, weakness, muscle pain and cramps, elevated blood pressure, and restlessness. Bites by these spiders must be treated promptly and effectively. First aid is the same as that for a snakebite and includes the following: 1. Wash the wound with soap and water and apply a clean dressing. 2. Apply a constricting band between the area of the bite and the heart. 3. Keep the person calm and transport him to the hospital or medical facility as soon as possible. 4. If swelling becomes apparent, apply a cold compress to the area.black widow spider Latrodectus mactans, a poisonous spider found in North America; see spider bite.brown recluse spider Loxosceles reclusa, a poisonous spider found in North America; see spider bite.vascular spider a telangiectasis due to dilatation and branching of superficial cutaneous arteries, which presents as a bright red central portion with branching radiations, the whole somewhat resembling the configuration of a spider. The lesions may occur singly or in large numbers, and may be nevoid or acquired, being commonly associated with pregnancy and liver disease. Called also nevus araneus, spider nevus, and spider telangiectasia. brown recluse spider n. A venomous spider (Loxosceles reclusa) having a violin-shaped mark on the cephalothorax, native to the southern and central United States and found in dark undisturbed areas such as closets and sheds. Also called fiddleback spider. rec·luse spi·der (rek'lūs spī'dĕr) The (brown) recluse spider is a venomous representative, Loxosceles reclusa, of the family Sicariidae (formerly of the family Loxoscelidae); native to the United States from the southern Midwest south to the Gulf of Mexico, but found elsewhere too. Most bites are minor with no necrosis, but consequences may be worse in some cases. Synonym(s): brown recluse spider. FinancialSeeSpiderSee BRS See BRSThesaurusSeespider
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brown recluse spider