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Descriptor in English: Toxicodendron
Descriptor in Spanish: Toxicodendron
Descriptor in Portuguese: Toxicodendron
Descriptor in French: Toxicodendron
Entry term(s): Ivies, Poison
Ivy, Poison
Oak, Poison
Oaks, Poison
Poison Ivies
Poison Ivy
Poison Oak
Poison Oaks
Poison Sumac
Poison Sumacs
Rhus toxicodendron
Rhus toxicodendrons
Sumac, Poison
Sumacs, Poison
Toxicodendrons
toxicodendron, Rhus
Tree number(s): B01.650.940.800.575.912.250.044.744
HP4.018.716.618
Scope note: A genus (formerly part of Rhus genus) of shrubs, vines, or trees that yields a highly allergenic oleoresin which causes a severe contact dermatitis (DERMATITIS, TOXICODENDRON). The most toxic species are Toxicodendron vernix (poison sumac), T. diversilobum (poison oak), and T. radicans (poison ivy). T. vernicifera yields a useful varnish from which certain enzymes (laccases) are obtained.
Annotation: DERMATITIS, TOXICODENDRON is available
Allowable Qualifiers: AE adverse effects
AH anatomy & histology
CH chemistry
CL classification
CY cytology
DE drug effects
EM embryology
EN enzymology
GD growth & development
GE genetics
IM immunology
ME metabolism
MI microbiology
PH physiology
PO poisoning
PS parasitology
RE radiation effects
TO toxicity
UL ultrastructure
VI virology
Online Note: use TOXICODENDRON to search RHUS 1966-92
History Note: 93; was RHUS 1963-92; TOXICODENDRON was see RHUS 1986-92
See also the descriptors: Dermatitis, Toxicodendron MeSH
DeCS UI: 30881
Descriptor UI: D012251
Date Established: 1993/01/01
Date of Entry: 1999/01/01
Revision Date: 2017/07/12
Toxicodendron - Preferred
Concept UI M0019056
Scope note A genus (formerly part of Rhus genus) of shrubs, vines, or trees that yields a highly allergenic oleoresin which causes a severe contact dermatitis (DERMATITIS, TOXICODENDRON). The most toxic species are Toxicodendron vernix (poison sumac), T. diversilobum (poison oak), and T. radicans (poison ivy). T. vernicifera yields a useful varnish from which certain enzymes (laccases) are obtained.
Preferred term Toxicodendron
Entry term(s) Toxicodendrons
Poison Oak - Narrower
Concept UI M0383742
Preferred term Poison Oak
Entry term(s) Oak, Poison
Oaks, Poison
Poison Oaks
Rhus toxicodendron - Narrower
Concept UI M0502788
Preferred term Rhus toxicodendron
Entry term(s) Rhus toxicodendrons
toxicodendron, Rhus
Poison Ivy - Narrower
Concept UI M0019057
Preferred term Poison Ivy
Entry term(s) Ivies, Poison
Ivy, Poison
Poison Ivies
Poison Sumac - Narrower
Concept UI M0383741
Preferred term Poison Sumac
Entry term(s) Poison Sumacs
Sumac, Poison
Sumacs, Poison



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