11 results found

Search Results for: poison ivy

Poison ivy

poison ivy (Science: botany) A plant that causes a marked allergic (contact) dermatitis in the majority of... Read More

Poison

poison 1. Any agent which, when introduced into the animal organism, is capable of producing a morbid, noxious, or deadly... Read More

Rhizome

The rhizome is derived from the Greek word rhizoma, meaning "a bunch of roots". Usually, rhizomes are confused with roots;... Read More

Toxicodendron

toxicodendron A genus (formerly rhus) of shrubs, vines, or trees that yields a highly allergenic oleoresin which causes a... Read More

Oak

oak 1. (Science: botany) Any tree or shrub of the genus quercus. The oaks have alternate leaves, often variously lobed, and... Read More

Aerial root

Definition noun, plural: aerial roots A type of root that grows from the stem above the ground Supplement Aerial root is a... Read More

Urushiol

urushiol A mixture of nonvolatile hydrocarbons, derivatives of catechol with unsaturated C15 or C17 side chains,... Read More

Pruritis

pruritis itching. Pruritis can result from drug reaction, food allergy, kidney or liver disease, cancers, parasites, aging... Read More

Mercury

mercury 1. (Science: astronomy) The first planet in order from the sun. It has no known natural satellites. It is one of the... Read More

Haptene

Definition noun, plural: haptenes A substance that induces immune response when bound to a carrier protein or to large... Read More

Hapten

Definition noun, plural: haptens A substance that induces immune response when bound to a carrier protein or to large... Read More