Urushiol definitions

Urushiol

1) Irritant in poison ivy
Found on https://www.crosswordclues.com/clue/urushiol

Urushiol l is an oily organic allergen found in plants of the family Anacardiaceae, especially Toxicodendron spp. (e.g., poison oak, poison ivy, poison sumac) and also in mangos. In sensitive individuals, urushiol can cause an allergic skin rash on contact, known as urushiol-induced contact dermatitis. The name comes from the Japanese word for the...
Found on http://en.wikipedia.org/wiki/Urushiol

urushiol

(from the article `immune system disorder`) ...examples of a plant that can provoke a contact hypersensitivity reaction is poison ivy (Toxicodendron radicans), found throughout North America. ... The plant is poisonous to touch, producing in many persons a severe inflammation of the skin, or dermatitis. The toxic principle, urushiol, is...
Found on http://www.britannica.com/eb/a-z/u/18

urushiol

A mixture of nonvolatile hydrocarbons, derivatives of catechol with unsaturated C15 or C17 side chains, constituting the active allergen of the irritant oil of poison ivy, Toxicodendron radicans, poison oak, T. Diversilobum, and the Asiatic laquer tree, T. Verniciferum. ... Origin: Jap. Urushi, lac, + L. Oleum, oil ... (05 Mar 2000) ...
Found on http://www.encyclo.co.uk/local/20973

urushiol

(u-roo´she-ol) an oleoresin that is the toxic irritant principle of poison ivy and related plants, and is also found in a few less common plant species.
Found on http://www.encyclo.co.uk/local/21001

urushiol

resin in poison ivy plants that causes a skin reaction.
Found on http://www.encyclo.co.uk/local/21360

urushiol

Type: Term Pronunciation: ū-rū′shē-ōl Definitions: 1. A mixture of nonvolatile hydrocarbons, derivatives of catechol with unsaturated C₁₅ or C₁₇ side chains, constituting the active allergen of the irritant oil of poison ivy, Toxicodendron radicans, poison oak, T. diversilobum, and the Asiatic laq...
Found on http://www.medilexicon.com/medicaldictionary.php?t=96221

Urushiol

A toxic substance found in resin that causes allergic skin reaction.
Found on http://www.robertmillermd.com/derma_glossary.html

urushiol

resin in poison ivy plants that causes an allergic skin reaction.
Found on http://www.yourskinandsun.com/dermg.html

urushiol

resin in poison ivy plants that causes an allergic skin reaction.
Found on https://www.encyclo.co.uk/local/21241

Urushiol

resin in poison ivy plants that causes an allergic skin reaction.
Found on https://www.encyclo.co.uk/local/23275

urushiol

a toxic, liquid, catechol derivative, the active irritant principle in several species of the plant genus Rhus, as in poison ivy.
Found on https://www.infoplease.com/dictionary/urushiol