Rhus
[rus] a genus of trees and shrubs, many of them poisonous. Contact with certain species produces a severe dermatitis in sensitive individuals. The most important poisonous species are
R. diversilo´ba and
R. toxicoden´dron, or poison oak,
R. ra´dicans, or poison ivy, and
R. ver´nix, or poison sumac. Most species of
Rhus are sometimes classified in the genus
Toxicodendron. See also
poison ivy, oak, and sumac.Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
Rhus
(rūs, rŭs), A genus of vines and shrubs (family Anacardiaceae) containing various species that are used for their ornamental foliage; formerly used in tanning. Certain poisonous species are classified as Toxicodendron.
[L., fr. G. rhous, sumac]
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Patient discussion about Rhus
Q. is poison ivy or sumac contagious
A. if you scratch the rash and it has open sores,the pus from the sores can spread to other parts of the body and to other people as well,
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