| CANCERLIT | Cancer Literature |
|---|---|
| CLML | Current List of Medical Literature |
| HELLIS | Health, Literature, Library and Information Services |
| IDL | Index to Dental Literature; interface definition language; intermediate density lipoprotein; interme... |
| LATCH | literature attached to charts |
| Gy | 2-gray |
|---|---|
| CG | Central gray |
| CGE | Cobalt Gray Equivalent |
| GM | Gray matter |
| GPS | Gray platelet syndrome |
| gray level also gray value | <microscopy> The brightness of pixels in a digitised video image, commonly expressed in integers ranging from 0 (black) to 255 (white) for an 8-bit digital signal. (05 Aug 1998) |
|---|---|
| review literature | Published material which provides an examination of recent or current literature. Reviews can cover a wide range of subject matter of various levels of completeness or comprehensiveness based on analyses of publications on the subject. The review may reflect the state of the art. It also includes reviews as a literary form. The presence of research findings or case reports does not preclude designation as a review. (12 Dec 1998) |
| literature | 1. Learning; acquaintance with letters or books. 2. The collective body of literary productions, embracing the entire results of knowledge and fancy preserved in writing; also, the whole body of literary productions or writings upon a given subject, or in reference to a particular science or branch of knowledge, or of a given country or period; as, the literature of Biblical criticism; the literature of chemistry. 3. The class of writings distinguished for beauty of style or expression, as poetry, essays, or history, in distinction from scientific treatises and works which contain positive knowledge; belles-lettres. 4. The occupation, profession, or business of doing literary work. Synonym: Science, learning, erudition, belles-lettres. See Science. Literature, Learning, Erudition. Literature, in its widest sense, embraces all compositions in writing or print which preserve the results of observation, thought, or fancy; but those upon the positive sciences (mathematics, etc) are usually excluded. It is often confined, however, to belles-lettres, or works of taste and sentiment, as poetry, eloquence, history, etc, excluding abstract discussions and mere erudition. A man of literature (in this narrowest sense) is one who is versed in belles-lettres; a man of learning excels in what is taught in the schools, and has a wide extent of knowledge, especially, in respect to the past; a man of erudition is one who is skilled in the more recondite branches of learned inquiry. "The origin of all positive science and philosophy, as well as of all literature and art, in the forms in which they exist in civilized Europe, must be traced to the Greeks." (Sir G. Lewis) "Learning thy talent is, but mine is sense." (Prior) "Some gentlemen, abounding in their university erudition, fill their sermons with philosophical terms." (Swift) Origin: F. Litterature, L. Litteratura, literatura, learning, grammar, writing, fr.littera, litera, letter. See Letter. Source: Websters Dictionary (01 Mar 1998) |
| anterior gray column | The central gray matter of the spinal cord surrounding the central canal. Synonym: substantia intermedia centralis et lateralis, anterior gray column, Stilling's gelatinous substance, substantia gelatinosa centralis. (05 Mar 2000) |
| matter, gray | The cortex of the brain which contains nerve cell bodies. The gray matter is as opposed to the white matter, the part of the brain that contains myelinated nerve fibres. The gray matter is so named because it in fact appears gray. In the mysterious affair at styles (1920), agatha christie first quoted the fictional belgian detective hercule poirot in regard to his gray matter: 'this affair must be unravelled from within.' he tapped his forehead. 'these little grey cells. It is up to them as you say over here.' (12 Dec 1998) |
| central gray substance | In general: the predominantly small-celled gray matter adjoining or surrounding the central canal of the spinal cord and the third and fourth ventricles of the brainstem, in particular: the thick sleeve of gray matter surrounding the cerebral sylvian aqueduct in the midbrain, rostrally continuous with the posterior nucleus of the hypothalamus; in sections stained for myelin it stands out from the adjoining tectum and tegmentum by the poverty of its myelinated fibres. Synonym: substantia grisea centralis. (05 Mar 2000) |
| periaqueductal gray | Central gray matter surrounding the cerebral aqueduct in the mesencephalon. Physiologically it is probably involved in rage reactions, the lordosis reflex, feeding responses, bladder tonus, and pain. (12 Dec 1998) |
| Gray | <radiobiology, unit> The new international system unit (SI unit) of absorbed dose of radiation (Gy), 1 Gy = 1 J kg-1 = 100 rad. (16 Dec 1997) |
| gray cataract | A cataract of gray colour, usually seen in senile, mature, or cortical cataract. (05 Mar 2000) |
| gray collie syndrome | An autosomal recessive, inherited immunodeficiency of gray collie dogs characterised by overwhelming recurrent bacterial infections, bleeding, and coat colour dilution. Synonym: gray collie syndrome. (05 Mar 2000) |
| gray columns | The three somewhat ridge-shaped masses of gray matter (anterior, posterior, and lateral columns) that extend longitudinally through the centre of each lateral half of the spinal cord; in transverse sections these columns appear as gray horns and are therefore commonly called ventral or anterior, dorsal or posterior, and lateral horn, respectively. Synonym: columnae griseae. (05 Mar 2000) |
| gray degeneration | Degeneration of the white substance of the spinal cord, the fibres of which lose their myelin sheaths and become darker in colour. (05 Mar 2000) |
| gray fibres | A fibre having no myelin covering (CNS); a naked axon; in the PNS represented by all axons lying in troughs in a single Schwann cell (Schwann cell unit); a slow conducting fibre. Synonym: gray fibres, nonmedullated fibres, Remak's fibres. (05 Mar 2000) |
| gray hepatisation | The second stage of hepatisation in pneumonia, when the exudate is beginning to degenerate prior to breaking down; the colour is a yellowish gray or mottled. (05 Mar 2000) |
| gray induration | A condition occurring in lungs during and after pneumonic processes in which there is failure of resolution; there is a conspicuous increase in fibrous connective tissue in the walls of the alveoli, and also within the alveoli (e.g., fibrous organization of exudate); in contrast to brown induration, there is usually not a prominent degree of pigmentation, unless chronic passive congestion is also present. (05 Mar 2000) |
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