| OAK | Kjer optic atrophy |
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| ORANS | Oak Ridge Analytical System |
| ORNL | Oak Ridge National Laboratory |
| AAPCC | adjusted annual per capita cost; adjusted average per capita cost; American Association of Poison Co... |
| CAPCC | Canadian Association of Poison Control Centers |
| ORNL | Oak Ridge National Laboratory |
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| AAPCC | American Association of Poison Control Center's |
| PSP | Paralytic Shellfish Poison |
| PCC | Poison Control Center |
| poison oak | Poison oak is a form of contact dermatitis or inflammation of the skin resulting from chemicals produced from the poison oak plant contacting the skin. The chemicals cause an immune reaction producing redness, itching and blistering of the skin. (12 Dec 1998) |
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| oak | 1. <botany> Any tree or shrub of the genus Quercus. The oaks have alternate leaves, often variously lobed, and staminate flowers in catkins. The fruit is a smooth nut, called an acorn, which is more or less inclosed in a scaly involucre called the cup or cupule. There are now recognised about three hundred species, of which nearly fifty occur in the United States, the rest in Europe, Asia, and the other parts of North America, a very few barely reaching the northern parts of South America and Africa. Many of the oaks form forest trees of grand proportions and live many centuries. The wood is usually hard and tough, and provided with conspicuous medullary rays, forming the silver grain. 2. The strong wood or timber of the oak. Among the true oaks in America are: Barren oak, or Black-jack, Q. Nigra. Basket oak, Q. Michauxii. Black oak, Q. Tinctoria: called also yellow or quercitron oak. Bur oak (see under Bur), Q. Macrocarpa; called also over-cup or mossy-cup oak. Chestnut oak, Q. Prinus and Q. Densiflora. Chinquapin oak (see under Chinquapin), Q. Prinoides. Coast live oak, Q. Agrifolia, of California; also called enceno. Live oak (see under Live), Q. Virens, the best of all for shipbuilding; also, Q. Chrysolepis, of California. Pin oak. Same as Swamp oak. Post oak, Q. Obtusifolia. Red oak, Q. Rubra. Scarlet oak, Q. Coccinea. Scrub oak, Q. Ilicifolia, Q. Undulata, etc. Shingle oak, Q. Imbricaria. Spanish oak, Q. Falcata. Swamp Spanish oak, or Pin oak, Q. Palustris. Swamp white oak, Q. Bicolour. Water oak, Q. Aguatica. Water white oak, Q. Lyrata. Willow oak, Q. Phellos. Among the true oaks in Europe are: Bitter oak, or Turkey oak, Q. Cerris (see Cerris). Cork oak, Q. Suber. English white oak, Q. Robur. Evergreen oak, Holly oak, or Holm oak, Q. Ilex. Kermes oak, Q. Coccifera. Nutgall oak, Q. Infectoria. Among plants called oak, but not of the genus Quercus, are: African oak, a valuable timber tree (Oldfieldia Africana). Australian, or She, oak, any tree of the genus Casuarina (see Casuarina). Indian oak, the teak tree (see Teak). Jerusalem oak. See Jerusalem. New Zealand oak, a sapindaceous tree (Alectryon excelsum). Poison oak, the poison ivy. See Poison. Silky, or Silk-bark, oak, an Australian tree (Grevillea robusta). Green oak, oak wood coloured green by the growth of the mycelium of certain fungi. Oak apple, a large, smooth, round gall produced on the leaves of the American red oak by a gallfly (Cynips confluens). It is green and pulpy when young. <zoology> Oak beauty, a British geometrid moth (Biston prodromaria) whose larva feeds on the oak. Oak gall, a gall found on the oak. See Gall. <botany> Oak leather See Pruner, the insect. Oak spangle, a kind of gall produced on the oak by the insect Diplolepis lenticularis. Oak wart, a wartlike gall on the twigs of an oak. The Oaks, one of the three great annual English horse races (the Derby and St. Leger being the others). It was instituted in 1779 by the Earl of Derby, and so called from his estate. To sport one's oak, to be "not at home to visitors," signified by closing the outer (oaken) door of one's rooms. Origin: OE. Oke, ok, ak, AS. Ac; akin to D. Eik, G. Eiche, OHG. Eih, Icel. Eik, Sw. Ek, Dan. Eeg. Source: Websters Dictionary (01 Mar 1998) |
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| oak apple | An excrescence on the oak, Quercus infectoria (family Fagaceae) and other species of Quercus, caused by the deposit of the ova of a fly, Cynips gallae tinctorae; an astringent and styptic, by virtue of the tannin it contains. Synonym: gall, galla, oak apple. (05 Mar 2000) |
| acrid poison | A poison that causes a destructive local irritation as well as systemic effects. (05 Mar 2000) |
| arrow poison | Any natural toxin used for coating arrows, spears, and darts (e.g., extracts containing aconitin, ouabain, cardiac glycosides, batrachotoxin, curare, etc.). (05 Mar 2000) |
| respiratory poison | A compound that inhibits the respiratory chain. Synonym: respiratory poison. (05 Mar 2000) |
| poison | 1. Any agent which, when introduced into the animal organism, is capable of producing a morbid, noxious, or deadly effect upon it; as, morphine is a deadly poison; the poison of pestilential diseases. 2. That which taints or destroys moral purity or health; as, the poison of evil example; the poison of sin. Poison ash. <botany> A poisonous shrub of the genus Rhus (R. Venenata); also called poison ash, poison dogwood, and poison elder. It has pinnate leaves on graceful and slender common petioles, and usually grows in swampy places. Both this plant and the poison ivy (Rhus Toxicodendron) have clusters of smooth greenish white berries, while the red-fruited species of this genus are harmless. The tree (Rhus vernicifera) which yields the celebrated Japan lacquer is almost identical with the poison sumac, and is also very poisonous. The juice of the poison sumac also forms a lacquer similar to that of Japan. Synonym: Venom, virus, bane, pest, malignity. Poison, Venom. Poison usually denotes something received into the system by the mouth, breath, etc. Venom is something discharged from animals and received by means of a wound, as by the bite or sting of serpents, scorpions, etc. Hence, venom specifically implies some malignity of nature or purpose. Origin: F. Poison, in Old French also, a potion, fr. L. Potio a drink, draught, potion, a poisonous draught, fr. Potare to drink. See Potable, and cf. Potion. Source: Websters Dictionary (01 Mar 1998) |
| poison control centres | Facilities which provide information concerning poisons and treatment of poisoning in emergencies. (12 Dec 1998) |
| poison ivy | <botany> A plant that causes a marked allergic (contact) dermatitis in the majority of individuals. (27 Sep 1997) |
| slash, burn, and poison | Brutal medical slang term for surgery, radiation, and chemotherapy (as approaches to the treatment of cancer). (12 Dec 1998) |
| fish poison | A toxic principle in certain fishes. Synonym: fish poison. Origin: ichthyo-+ G. Toxikon, poison (05 Mar 2000) |
| fugu poison | A poison in the roe and other parts of various species of Diodon, Triodon, and Tetradon, fishes of eastern Asiatic waters. Synonym: fish poison. Origin: Jap. Fugu, a poisonous fish (05 Mar 2000) |
| poison oak |
dermatitis resulting from contact with a poison oak plant poison ivy: climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries; yields an irritating oil that causes a rash on contact
Ãâó: wordnet.princeton.edu/perl/webwn
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| poison oak e. |
an extract of the fresh leaves of poison oak, Rhus diversiloba, used for desensitization in prevention of rhus dermatitis due to poison oak.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| poison oak | climbing plant common in eastern and central United States with ternate leaves and greenish flowers followed by white berries |
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| poison oak | dermatitis resulting from contact with a poison oak plant |
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