| HALO | Halotestin |
|---|---|
| AFO | ankle/foot orthotic [brace or cast]; ankle-foot orthosis |
| FAB | fast atom bombardment; formalin ammonium bromide; fragment, antigen-binding [of immunoglobulins]; Fr... |
| FEPB | functional electronic peroneal brace |
| KB | human oral epidermoid carcinoma cells; Kashin-Bek [disease]; ketone body; kilobyte; Kleihauer-Betke ... |
| HALO | Hours After Light Onset |
|---|---|
| HALO | after light onset |
| brace | 1. To furnish with braces; to support; to prop; as, to brace a beam in a building. 2. To draw tight; to tighten; to put in a state of tension; to strain; to strengthen; as, to brace the nerves. "And welcome war to brace her drums." (Campbell) 3. To bind or tie closely; to fasten tightly. "The women of China, by bracing and binding them from their infancy, have very little feet." (Locke) "Some who spurs had first braced on." (Sir W. Scott) 4. To place in a position for resisting pressure; to hold firmly; as, he braced himself against the crowd. "A sturdy lance in his right hand he braced." (Fairfax) 5. To move around by means of braces; as, to brace the yards. To brace about, to turn (a yard) by hauling in the weather brace. To brace one's self, to call up one's energies. "He braced himself for an effort which he was little able to make." - To brace to, to turn (a yard) as far forward as the rigging will permit. Origin: Braced; Bracing. 1. That which holds anything tightly or supports it firmly; a bandage or a prop. 2. A cord, ligament, or rod, for producing or maintaining tension, as a cord on the side of a drum. "The little bones of the ear drum do in straining and relaxing it as the braces of the war drum do in that." (Derham) 3. The state of being braced or tight; tension. "The laxness of the tympanum, when it has lost its brace or tension." (Holder) 4. A piece of material used to transmit, or change the direction of, weight or pressure; any one of the pieces, in a frame or truss, which divide the structure into triangular parts. It may act as a tie, or as a strut, and serves to prevent distortion of the structure, and transverse strains in its members. A boiler brace is a diagonal stay, connecting the head with the shell. 5. A vertical curved line connecting two or more words or lines, which are to be taken together; thus, boll, bowl; or, in music, used to connect staves. 6. A rope reeved through a block at the end of a yard, by which the yard is moved horizontally; also, a rudder gudgeon. 7. <mechanics> A curved instrument or handle of iron or wood, for holding and turning bits, etc.; a bitstock. 8. A pair; a couple; as, a brace of ducks; now rarely applied to persons, except familiarly or with some contempt. "A brace of greyhounds." "He is said to have shot . . . Fifty brace of pheasants." (Addison) "A brace of brethren, both bishops, both eminent for learning and religion, now appeared in the church." (Fuller) "But you, my brace of lords." (Shak) 9. Straps or bands to sustain trousers; suspenders. "I embroidered for you a beautiful pair of braces." (Thackeray) 10. Harness; warlike preparation. "For that it stands not in such warlike brace." (Shak) 11. Armor for the arm; vantbrace. 12. <chemical> The mouth of a shaft. Angle brace. See Angle. Origin: OF. Brace, brasse, the two arms, embrace, fathom, F. Brasse fathom, fr. L. Bracchia the arms (stretched out), pl. Of bracchium arm; cf. Gr. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| cast brace | A specially designed plaster or plastic cast incorporating hinges and other brace components; used in the treatment of fractures to promote early activity and early joint motion. (05 Mar 2000) |
| anaemic halo | Pale, relatively avascular areas in the skin seen around vascular spiders, cherry angiomas, and sometimes in acute macular eruptions. (05 Mar 2000) |
| glaucomatous halo | A yellowish white ring surrounding the optic disk, indicating atrophy of the choroid in glaucoma. Synonym: glaucomatous ring. A halo surrounding lights, caused by corneal oedema in glaucoma. Synonym: rainbow symptom. (05 Mar 2000) |
| halo | <radiobiology> The cold, dense plasma formed outside the last closed flux surface during a vertical displacement event. The large currents which flow through this plasma stop the displacement and transfer the force to the vacuum vessel. If care is not taken in design, the halo currents can be large enough to threaten the structural integrity of the vacuum vessel or in-vessel components. Whereas the centre of a tokamak plasma is too hot for material probes to survive, probes (such as magnetic-field coils) can sometimes be placed in the halo, and can measure things such as the halo current. See: vertical instability. (09 Oct 1997) |
| halo blight | Halo blight is a fatal plant disease which attacks legumes and is caused by the bacteria Pseumonas phaseolicola. The plant develops yellow-ringed, water-soaked spots, then withers and dies without rotting. (09 Oct 1997) |
| halo cast | A cast applied to the shoulders in which metal bars are set that extend over the head to a halo, from which traction may be applied to the head by means of tongs or a halter. (05 Mar 2000) |
| halo current | <radiobiology> Currents in the halo region of a plasma discharge. See: halo. (09 Oct 1997) |
| halo effect | The effect (usually beneficial) that the manner, attention, and caring of a provider have on a patient during a medical encounter, regardless of what medical procedure or services the encounter involves, the influence upon an observation of the observer's perception of the characteristics of the individual observed (other than the characteristics under study) or the influence of the observer's recollection or knowledge of findings on a previous occasion. (05 Mar 2000) |
| halo melanoma | <tumour> A rare condition in which a melanoma is surrounded by an irregular area of depigmentation. (05 Mar 2000) |
| halo nevus | A benign, sometimes multiple, melanocytic nevus in which involution occurs with a central brown mole surrounded by a uniformly depigmented zone or halo. Synonym: leukoderma acquisitum centrifugum, Sutton's disease, Sutton's nevus. (05 Mar 2000) |
| halo sign | <radiology> Narrow, radiolucent ring surrounding breast lesion, indicates benign tumour, rare exceptions: intracystic carcinoma, papillary carcinoma, carcinoma arising in fibroadenoma (12 Dec 1998) |
| halo sign of hydrops | A discredited roentgenographic sign of foetal hydrops caused by scalp oedema so that a definite corona surrounds the skull. (05 Mar 2000) |
| halo traction | Application of skeletal traction to the head by means of a halo device. (05 Mar 2000) |
| halo vision | A condition in which coloured or luminous rings are seen around lights. (05 Mar 2000) |
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