| NRI | nerve root involvement; nerve root irritation; nonrespiratory infection |
|---|---|
| BC/BS | Blue Cross/Blue Shield [plan] |
| BCBSA | Blue Cross and Blue Shield Association |
| BCP | basic calcium phosphate; birth control pill; blue cone pigment; Blue Cross Plan; bromcresol purple |
| BT | base of tongue; bedtime; bitemporal; bitrochanteric; bladder tumor; Blalock-Taussig [shunt]; bleedin... |
| DREZ | Dorsal Root Entry Zone |
|---|---|
| DRG | Dorsal Root Ganglia |
| DRG | Dorsal Root Ganglion |
| DR | Dorsal root |
| DRP | Dorsal root potentials |
| water flag | <botany> A European species of Iris (Iris Pseudacorus) having bright yellow flowers. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| flag | 1. That which flags or hangs down loosely. 2. A cloth usually bearing a device or devices and used to indicate nationality, party, etc, or to give or ask information; commonly attached to a staff to be waved by the wind; a standard; a banner; an ensign; the colours; as, the national flag; a military or a naval flag. 3. <zoology> A group of feathers on the lower part of the legs of certain hawks, owls, etc. A group of elongated wing feathers in certain hawks. The bushy tail of a dog, as of a setter. Black flag. See Black. Flag captain, Flag leutenant, etc, special officers attached to the flagship, as aids to the flag officer. Flag officer, the commander of a fleet or squadron; an admiral, or commodore. Flag of truse, a white flag carried or displayed to an enemy, as an invitation to conference, or for the purpose of making some communication not hostile. Flag share, the flag officer's share of prize money. Flag station, a station at which trains do not stop unless signaled to do so, by a flag hung out or waved. National flag, a flag of a particular country, on which some national emblem or device, is emblazoned. Red flag, a flag of a red colour, displayed as a signal of danger or token of defiance; the emblem of anarchists. To dip, the flag, to mlower it and quickly restore it to its place; done as a mark of respect. To hang out the white flag, to ask truce or quarter, or, in some cases, to manifest a friendly design by exhibiting a white flag. To hang the flag half-mast high or half-staff, to raise it only half way to the mast or staff, as a token or sign of mourning. To strike, or lower, the flag, to haul it down, in token of respect, submission, or, in an engagement, of surrender. Yellow flag, the quarantine flag of all nations; also carried at a vessel's fore, to denote that an infectious disease is on board. Origin: Cf. LG. & G. Flagge, Sw. Flagg, Dan. Flag, D. Vlag. See Flag to hang loose. <botany> An aquatic plant, with long, ensiform leaves, belonging to either of the genera Iris and Acorus. Cooper's flag, the cat-tail (Typha latifolia), the long leaves of which are placed between the staves of barrels to make the latter water-tight. Corn flag. See Corn. Flag broom, a coarse of broom, originally made of flags or rushes. Flag root, the root of the sweet flag. Sweet flag. See Calamus. Origin: From Flag to hang loose, to bend down. 1. A flat stone used for paving. 2. <geology> Any hard, evenly stratified sandstone, which splits into layers suitable for flagstones. Origin: Icel. Flaga, cf. Icel. Flag spot where a turf has been cut out, and E. Flake layer, scale. Cf. Floe. Source: Websters Dictionary (01 Mar 1998) |
| flag flap | A flag-shaped flap on a proximal pedicle, transferred from one surface to another of the same finger or from one finger to an adjacent finger. (05 Mar 2000) |
| flag sign | <clinical sign> Bands of discoloration of hair (reddish, blonde, or gray, depending on original colour) resulting from fluctuations in nutrition characteristic of kwashiorkor and in diseases of protein depletion such as ulcerative colitis. (05 Mar 2000) |
| French flag problem | The French flag (tricolour) is used to illustrate a problem in the determination of pattern in a tissue, that of specifying three sharp bands of cells with discrete properties that do not have blurred edges using, for example: a gradient of a diffusible morphogen. (18 Nov 1997) |
| alcian blue | <chemical> Water soluble copper phthalocyanin stain used to demonstrate acid mucopolysaccharides. By varying the ionic strength some differentiation of various types is possible. (18 Nov 1997) |
| alkaline toluidine blue O | Toluidine blue O in borax solution, used with heat on semithick sections of epoxy embedded tissues. (05 Mar 2000) |
| aniline blue | A mixture of sulfonated triphenylmethane dyes used widely as a connective tissue stain and counterstain. (05 Mar 2000) |
| azovan blue | <chemical> 6,6'-((3,3'-dimethyl(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis (4-amino-5-hydroxy-1,3-naphthalenedisulfonic acid) tetrasodium salt. An azo dye used in blood volume and cardiac output measurement by the dye dilution method. It is very soluble, strongly bound to plasma albumin, and disappears very slowly. Pharmacological action: dyes. Chemical name: 1,3-Naphthalenedisulfonic acid, 6,6'-((3,3'-dimethyl(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(4-amino-5-hydroxy-, tetrasodium salt (12 Dec 1998) |
| basic fuchsin-methylene blue stain | <technique> A stain for intact epoxy sections; semi-thick sections of plastic-embedded tissues have nuclei stained purple; collagen, elastic lamina, and connective tissue are stained blue; mitochondria, myelin, and lipid droplets are stained red; cytoplasm, smooth muscle cells, axoplasm, and chrondroblasts are stained pink. (05 Mar 2000) |
| Berlin blue | Fe4(Fe(CN)6)3; ferric ferrocyanide;a dye used to colour injection masses for blood vessels and lymphatics, and in staining of siderocytes. Synonym: Prussian blue. (05 Mar 2000) |
| blue | 1. Having the colour of the clear sky, or a hue resembling it, whether lighter or darker; as, the deep, blue sea; as blue as a sapphire; blue violets. "The blue firmament." 2. Pale, without redness or glare, said of a flame; hence, of the colour of burning brimstone, betokening the presence of ghosts or devils; as, the candle burns blue; the air was blue with oaths. 3. Low in spirits; melancholy; as, to feel blue. 4. Suited to produce low spirits; gloomy in prospect; as, thongs looked blue. 5. Severe or over strict in morals; gloom; as, blue and sour religionists; suiting one who is over strict in morals; inculcating an impracticable, severe, or gloomy mortality; as, blue laws. 6. Literary; applied to women; an abbreviation of bluestocking. "The ladies were very blue and well informed." (Thackeray) Blue asbestus. See Crocidolite. Blue black, of, or having, a very dark blue colour, almost black. Blue blood. See Blood. Blue buck, sulphate of copper, a violet blue crystallized salt, used in electric batteries, calico printing, etc. Blue water, the open ocean. To look blue, to look disheartened or dejected. True blue, genuine and thorough; not modified, nor mixed; not spurious; specifically, of uncompromising Presbyterianism, blue being the colour adopted by the Covenanters. "For his religion . . . 'T was Presbyterian, true blue." (Hudibras) Origin: OE. Bla, blo, blew, blue, Sw. Bl, D. Blauw, OHG. Blo, G. Blau; but influenced in form by F. Bleu, from OHG. Blao. 1. One of the seven colours into which the rays of light divide themselves, when refracted through a glass prism; the colour of the clear sky, or a colour resembling that, whether lighter or darker; a pigment having such colour. Sometimes, poetically, the sky. 2. A pedantic woman; a bluestocking. 3. [Short for blue devils] Low spirits; a fit of despondency; melancholy. Berlin blue, Prussian blue. Mineral blue. See Mineral. Prussian blue. See Prussian. Source: Websters Dictionary (01 Mar 1998) |
| blue asphyxia | A form of asphyxia neonatorum in which the skin is cyanotic, but the heart is strong and the reflexes are preserved. Synonym: blue asphyxia. (05 Mar 2000) |
| blue atrophy | Depressed blue atrophic scars due to injections in the skin of impure substances, as seen in narcotics addicts. (05 Mar 2000) |
| blue baby | A baby born with various defects in the structure of the heart and major blood vessels such as tetralogy of Fallot and transposition of the great vessels. The net result is the inability to oxygenate the blood resulting in cyanosis (bluish discolouration to the skin). Immediate surgical procedures are currently available to correct these genetic abnormalities. (27 Sep 1997) |
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