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Urushiol-induced contact dermatitis (also called Toxicodendron dermatitis or Rhus dermatitis) is a type of allergic contact dermatitis caused by the oil urushiol found in various plants, most notably sumac family species of the genus Toxicodendron: poison ivy, poison oak, poison sumac, and the Chinese lacquer tree. [1]
Many large opossums (Didelphini) are immune to the venom of rattlesnakes and pit vipers and regularly prey upon these snakes. [46] This adaptation seems to be unique to the Didelphini, as their closest relative, the brown four-eyed opossum , is not immune to snake venom. [ 47 ]
Urushiol / ʊ ˈ r uː ʃ i. ɒ l / is an oily mixture of organic compounds with allergenic properties found in plants of the family Anacardiaceae, especially Toxicodendron spp. (e.g., poison oak, Chinese lacquer tree, poison ivy, poison sumac), Comocladia spp. (maidenplums), Metopium spp.
Contact with anything that touched the poison ivy, oak or sumac can cause a rash within 12 to 72 hours. These include pets, clothes, tools, shoes or a hiking backpack. These include pets, clothes ...
Opossums don't look inviting but their benefits far outweigh their appearance, especially if there are dead trees in your woodlands. Opossums are nature's providers: Gentle marsupials don't get ...
An expert from Franklin County's Keystone Health shares information about poison ivy, oak and sumac, and the effects of the poisonous plants. Take Care: What you need to know about poison ivy, oak ...
The immunity was initially thought to come from an immune response leading to the production of antibodies, but in fact it comes from toxin-neutralizing proteins found in opossum serum. [ 7 ] [ 8 ] These proteins are produced by the opossum prior to any encounter with a venomous snake, thus this immunity is not learned but inherited.
Poison oak is a leafy shrub that grows in shady areas of your yard where it can reach six feet in height. The leaves and stems of the western poison oak plant ( Toxicodendron ) can release an oil ...