GRAS : KMLE 의학 검색 엔진 - 의학사전, 의학용어, 의학약어, 의학논문, 약품/의약품 검색

CancerWEB 영영 의학사전 맞춤 검색 결과 : 15 페이지: 1

grasp	The act of taking securely and holding firmly. Palm grasp, holding an object by wrapping the palm and the fingers around it. Pen grasp, a method, similar to that of holding a pen in writing, of grasping an instrument. (05 Mar 2000)
grasp reflex	An involuntary flexion of the fingers to tactile or tendon stimulation on the palm of the hand, producing an uncontrollable grasp; usually associated with frontal lobe lesions. Compare: darwinian reflex. Synonym: forced grasping reflex, grasp reflex. (05 Mar 2000)
grasping reflex	An involuntary flexion of the fingers to tactile or tendon stimulation on the palm of the hand, producing an uncontrollable grasp; usually associated with frontal lobe lesions. Compare: darwinian reflex. Synonym: forced grasping reflex, grasp reflex. (05 Mar 2000)
grass	1. To cover with grass or with turf. 2. To expose, as flax, on the grass for bleaching, etc. 3. To bring to the grass or ground; to land; as, to grass a fish. Origin: Grassed; Grassing. 1. Popularly: Herbage; the plants which constitute the food of cattle and other beasts; pasture. 2. <botany> An endogenous plant having simple leaves, a stem generally jointed and tubular, the husks or glumes in pairs, and the seed single. This definition includes wheat, rye, oats, barley, etc, and excludes clover and some other plants which are commonly called by the name of grass. The grasses form a numerous family of plants. 3. The season of fresh grass; spring. "Two years old next grass." (Lathsm) 4. Metaphorically used for what is transitory. "Surely the people is grass." (Is. Xl. 7) The following list includes most of the grasses of the United States of special interest, except cereals. Many of these terms will be found with definitions in the Vocabulary. Barnyard grass, for hay. South. Panicum Grus-galli. Bent, pasture and hay. Agrostis, several species. Bermuda grass, pasture. South. Cynodon Dactylon. Black bent. Same as Switch grass (below). Blue bent, hay. North and West. Andropogon provincialis. Blue grass, pasture. Poa compressa. Blue joint, hay. Northwest. Aqropyrum glaucum. Buffalo grass, grazing. Rocky Mts, etc. Buchloe dectyloides. Same as Grama grass (below). Bunch grass, grazing. Far West. Eriocoma, Festuca, Stips, etc. Chess, or Cheat, a weed. Bromus secalinus, etc. Couch grass. Same as Quick grass (below). Crab grass, Hay, in South. A weed, in North. Panicum sanguinale. Pasture and hay. South. Eleusine Indica. Darnel Bearded, a noxious weed. Lolium temulentum. Common. Same as Rye grass (below). Drop seed, fair for forage and hay. Muhlenbergia, several species. English grass. Same as Redtop (below). Fowl meadow grass. Pasture and hay. Poa serotina. Hay, on moist land. Gryceria nervata. Gama grass, cut fodder. South. Tripsacum dactyloides. Grama grass, grazing. West and Pacific slope. Bouteloua oligostachya, etc. Great bunch grass, pasture and hay. Far West. Festuca scabrella. Guinea grass, hay. South. Panicum jumentorum. Herd's grass, in new England Timothy, in Pennsylvania and South Redtop. Indian grass. Same as Wood grass (below). Italian rye grass, forage and hay. Lolium Italicum. Johnson grass, grazing aud hay. South and Southwest. Sorghum Halepense. Kentucky blue grass, pasture. Poa pratensis. Lyme grass, coarse hay. South. Elymus, several species. Manna grass, pasture and hay. Glyceria, several species. Meadow fescue, pasture and hay. Festuca elatior. Meadow foxtail, pasture, hay, lawn. North. Alopecurus pratensis. Meadow grass, pasture, hay, lawn. Poa, several species. Mesquite, or Muskit grass. Same as Grama grass (above). Nimble Will, a kind of drop seed. Muhlenbergia diffsa. Orchard grass, pasture and hay. Dactylis glomerata. Porcupine grass, troublesome to sheep. Northwest. Stipa spartea. Quaking grass, ornamental. Briza media and maxima. Quitch, or Quick, grass, etc, a weed. Agropyrum repens. Ray grass. Same as Rye grass (below). Redtop, pasture and hay. Agrostis vulgaris. Red-topped buffalo grass, forage. Northwest. Poa tenuifolia. Reed canary grass, of slight value. Phalaris arundinacea. Reed meadow grass, hay. North. Glyceria aquatica. Ribbon grass, a striped leaved form of Reed canary grass. Rye grass, pasture, hay. Lolium perenne, var. Seneca grass, fragrant basket work, etc. North. Hierochloa borealis. Sesame grass. Same as Gama grass (above). Sheep's fescue, sheep pasture, native in Northern Europe and Asia. Festuca ovina. Small reed grass, meadow pasture and hay. North. Deyeuxia Canadensis. Spear grass, Same as Meadow grass (above). Squirrel-tail grass, troublesome to animals. Seacoast and Northwest. Hordeum jubatum. Switch grass, hay, cut young. Panicum virgatum. Timothy, cut young, the best of hay. North. Phleum pratense. Velvet grass, hay on poor soil. South. Holcus lanatus. Vernal grass, pasture, hay, lawn. Anthoxanthum odoratum. Wire grass, valuable in pastures. Poa compressa. Wood grass, Indian grass, hay. Chrysopogon nutans. Many plants are popularly called grasses which are not true grasses botanically considered, such as black grass, goose grass, star grass, etc. Black grass, a kind of small rush (Juncus Gerardi), growing in salt marshes, used for making salt hay. Grass of the Andes, an oat grass, the Arrhenatherum avenaceum of Europe. Grass of Parnassus, a plant of the genus Parnassia growing in wet ground. The European species is P. Palustris; in the United States there are several species. Grass bass, the upland or field plover. <botany> Grass poly, to raise, as ore, to the surface of the ground. To put to grass, To put out to grass, to put out to graze a season, as cattle. Origin: OE. Gras, gres, gers, AS, qrs, grs; akin to OFries. Gres, gers, OS, D, G, Icel, & Goth. Gras, Dan. Grs, Sw. Grs, and prob. To Z. Grcen, grow. Cf. Graze. Source: Websters Dictionary (01 Mar 1998)
grass bacillus	<bacteria> Bacillus subtilis is a Gram-positive, rod-shaped, nonpathogenic bacterium which lives in soil. Its genome has been widely studied and is frequently used in genetic engineering and microbiology experiments. (09 Oct 1997)
grass tetany	A highly fatal disease of cows and sheep occurring generally during the first two weeks in the spring after the animals have been out on lush pastures; it is characterised by convulsions, hypomagnesaemia, and usually hypocalcaemia. Synonym: wheat pasture poisoning. (05 Mar 2000)
grass tree	<botany> An Australian plant of the genus Xanthorrhoea, having a thick trunk crowned with a dense tuft of pendulous, grasslike leaves, from the center of which arises a long stem, bearing at its summit a dense flower spike looking somewhat like a large cat-tail. These plants are often called "blackboys" from the large trunks denuded and blackened by fire. They yield two kinds of fragrant resin, called Botany-bay gum, and Gum Acaroides. A similar Australian plant (Kingia australis). Source: Websters Dictionary (01 Mar 1998)
grasses	A large family, gramineae, of narrow-leaved herbaceous monocots. Many grasses produce highly allergenic pollens and are hosts to cattle parasites and toxic fungi. (12 Dec 1998)
Grasset	Joseph, French physician, 1849-1918. See: Grasset's law, Grasset's phenomenon, Grasset's sign, Grasset-Gaussel phenomenon, Landouzy-Grasset law. (05 Mar 2000)
Grasset's law	In lesions of one hemisphere, the patient's head is turned to the side of the affected muscles if there is spasticity and to that of the cerebral lesion if there is paralysis. Synonym: Grasset's law. (05 Mar 2000)
Grasset's phenomenon	In organic paralysis of the lower extremity, the patient, lying on his back, can raise either limb separately, but not both together. Synonym: Grasset-Gaussel phenomenon. (05 Mar 2000)
Grasset's sign	<clinical sign> Normal contraction of the sternocleidomastoid muscle on the paralysed side in cases of hemiplegia. (05 Mar 2000)
Grasset-Gaussel phenomenon	In organic paralysis of the lower extremity, the patient, lying on his back, can raise either limb separately, but not both together. Synonym: Grasset-Gaussel phenomenon. (05 Mar 2000)
grasshopper	1. <zoology> Any jumping, orthopterous insect, of the families Acrididae and Locustidae. The species and genera are very numerous. The former family includes the Western grasshopper or locust (Caloptenus spretus), noted for the great extent of its ravages in the region beyond the Mississippi. In the Eastern United States the red-legged (Caloptenus femurrubrum and C. Atlanis) are closely related species, but their ravages are less important. They are closely related to the migratory locusts of the Old World. See Locust. The meadow or green grasshoppers belong to the Locustidae. They have long antennae, large ovipositors, and stridulating organs at the base of the wings in the male. The European great green grasshopper (Locusta viridissima) belongs to this family. The common American green species mostly belong to Xiphidium, Orchelimum, and Conocephalus. 2. In ordinary square or upright pianos of London make, the escapement lever or jack, so made that it can be taken out and replaced with the key; called also the hopper. Grasshopper engine, a steam engine having a working beam with its fulcrum at one end, the steam cylinder at the other end, and the connecting rod at an intermediate point. <obstetrics> Grasshopper lobster, cricket bird. Source: Websters Dictionary (01 Mar 1998)
grasshoppers	Plant-eating orthopterans having hindlegs adapted for jumping. There are several families and many genera. Some of the more common genera are: melanoplus, the most common grasshopper; conocephalus, the eastern meadow grasshopper; and pterophylla, the true katydid. (12 Dec 1998)