Spider | Health Encyclopedia

The keywords of this medical terms: Spider

Button Spider

A South African spider similar to the Redback spider of Australia and the Black Widow spider of America. Belongs to the species Latrodectus indistinctus.... Dictionary of Tropical Medicine

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Dictionary of Tropical Medicine

Red Back Spider

Spider found mostly in Australia and is similar to the Black Widow of America and the Button spider of South Africa. Belongs to the species Latrodectus hasseltii.... Dictionary of Tropical Medicine

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Dictionary of Tropical Medicine

Spider Bites

Nearly all spiders produce venom, which they use to kill their prey.

However, only a few species, such as the black widow in North America, are harmful to humans.

Antivenoms are available for many dangerous spider bites.... BMA Medical Dictionary

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BMA Medical Dictionary

Spider Naevus

a dilated arteriole forming a red papule from which radiate prominent capillaries, so that it resembles a spider. Excessive numbers of spider naevi are a sign of liver cirrhosis, hepatitis, thyrotoxicosis, and rheumatoid arthritis; they are also a feature of normal pregnancy. See also telangiectasis.... Oxford | Concise Colour Medical Dictionary

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Oxford | Concise Colour Medical Dictionary

Spider Naevus

A red, raised pinheadsized dot, from which small blood vessels radiate, due to a dilated minor artery and its connecting capillaries. Small numbers of spider naevi are common in children and pregnant women, but in larger numbers, they may indicate liver disease. (See also telangiectasia.)... BMA Medical Dictionary

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BMA Medical Dictionary