| RT | radiologic technologist; radiotelemetry; radiotherapy; radium therapy; rapid tranquilization; reacti... |
|---|---|
| SST | sodium sulfite titration; somatostatin |
| BFUe | erythroid Burst Forming Unit |
| BFU | burst-forming unit |
| BFU-E | burst-forming unit, erythrocytes |
| ITC | Isothermal Titration Calorimetre |
|---|---|
| BFU-E | Burst Forming Unit Erythrocyte |
| BFU-E | Burst Forming Unit--Erythroid |
| BFU-E | Burst-forming unit |
| BPA | Burst Promoting Activity |
| colourimetric titration | A titration in which the end point is marked by a colour change. (05 Mar 2000) |
|---|---|
| whole-body titration curve | A graphic representation of the in vivo changes in hydrogen ion, PaCO2, and bicarbonate which occur in arterial blood in response to primary acid-base disturbances. (05 Mar 2000) |
| potentiometric titration | A titration during which the pH is continually measured with some value of the pH serving as end point. (05 Mar 2000) |
| skin test end-point titration | A quantitative form of intradermal testing for the relative allergenicity of a substance. It is used to determine the amount of an allergen that will be tolerated in immunotherapy. (12 Dec 1998) |
| titration | <chemistry> The act or process of titrating; a substance obtained by titrating. Source: Websters Dictionary (01 Mar 1998) |
| formol titration | A method of titrating the amino groups of amino acids, by adding formaldehyde to the neutral solution; the formaldehyde reacts with the NH3+ group, liberating an equivalent quantity of H+, which may then be estimated by titration with NaOH. (05 Mar 2000) |
| burst | 1. To fly apart or in pieces; of break open; to yield to force or pressure, especially to a sudden and violent exertion of force, or to pressure from within; to explode; as, the boiler had burst; the buds will burst in spring. "From the egg that soon Bursting with kindly rupture, forth disclosed Their callow young." (Milton) Often used figuratively, as of the heart, in reference to a surcharge of passion, grief, desire, etc. "No, no, my heart will burst, an if I speak: And I will speak, that so my heart may burst." (Shak) 2. To exert force or pressure by which something is made suddenly to give way; to break through obstacles or limitations; hence, to appear suddenly and unexpecedly or unaccountably, or to depart in such manner; usually with some qualifying adverb or preposition, as forth, out, away, into, upon, through, etc. "Tears, such as angels weep, burst forth." (Milton) "And now you burst (ah cruel!) from my arms." (Pope) "A resolved villain Whose bowels suddenly burst out." (Shak) "We were the first that ever burst Into that silent sea." (Coleridge) "To burst upon him like an earthquake." (Goldsmith) Origin: OE. Bersten, bresten, AS. Berstan (pers. Sing. Berste, imp. Sing. Baerst, imp. Pl. Burston, p.p. Borsten); akin to D. Bersten, G. Bersten, OHG. Brestan, OS. Brestan, Icel. Bresta, Sw. Brista, Dan. Briste. Cf. Brast, Break. 1. To break or rend by violence, as by an overcharge or by strain or pressure, especially. From within; to force open suddenly; as, to burst a cannon; to burst a blood vessel; to burst open the doors. "My breast I'll burst with straining of my courage." (Shak) 2. To break. "You will not pay for the glasses you have burst?" (Shak) "He burst his lance against the sand below." (Fairfax (Tasso)) 3. To produce as an effect of bursting; as, to burst a hole through the wall. Bursting charge. See Charge. Source: Websters Dictionary (01 Mar 1998) |
| burst forming unit | <haematology> A bone marrow stem cell lineage detected in culture by its mitotic response to erythropoietin and subsequent erythrocytic differentiation in about 12 mitotic cycles into erythrocytes. (18 Nov 1997) |
| burst number | The number of viral particles that emerge from a cell after a viralinfection has burst it open. (09 Oct 1997) |
| burst size | The number of phages produced by an infected cell. (05 Mar 2000) |
| respiratory burst | <biochemistry> Response of phagocytes to particles (particularly if opsonise d) and to agonists such as formyl peptides and phorbol esters, an enhanced uptake of oxygen leads to the production, by an NADH dependent system, of hydrogen peroxide, superoxide anions and hydroxyl radicals, all of which play a part in bactericidal activity. Defects in the metabolic burst, as in chronic granulomatous disease, predispose to infection particularly with catalase positive bacteria and are usually fatal in childhood. (27 Jun 1999) |
| metabolic burst | <biochemistry> Response of phagocytes to particles (particularly if opsonise d) and to agonists such as formyl peptides and phorbol esters, an enhanced uptake of oxygen leads to the production, by an NADH dependent system, of hydrogen peroxide, superoxide anions and hydroxyl radicals, all of which play a part in bactericidal activity. Defects in the metabolic burst, as in chronic granulomatous disease, predispose to infection particularly with catalase positive bacteria and are usually fatal in childhood. (27 Jun 1999) |
| spider-burst | Radiating dull red capillary lines on the skin of the leg, usually without any visible or palpable varicose veins, but nevertheless due to deep-seated venous dilation; sometimes referred to as skyrocket capillary ectasis. Origin: spiderweb + sunburst (05 Mar 2000) |
| reverse | 1. To turn back; to cause to face in a contrary direction; to cause to depart. "And that old dame said many an idle verse, Out of her daughter's heart fond fancies to reverse." (Spenser) 2. To cause to return; to recall. "And to his fresh remembrance did reverse The ugly view of his deformed crimes." (Spenser) 3. To change totally; to alter to the opposite. "Reverse the doom of death." (Shak) "She reversed the conduct of the celebrated vicar of Bray." (Sir W. Scott) 4. To turn upside down; to invert. "A pyramid reversed may stand upon his point if balanced by admirable skill." (Sir W. Temple) 5. Hence, to overthrow; to subvert. "These can divide, and these reverse, the state." (Pope) "Custom . . . Reverses even the distinctions of good and evil." (Rogers) 6. To overthrow by a contrary decision; to make void; to under or annual for error; as, to reverse a judgment, sentence, or decree. Reverse arms, a position of a soldier in which the piece passes between the right elbow and the body at an angle of 45 deg, and is held as in the illustration. To reverse an engine or a machine, to cause it to perform its revolutions or action in the opposite direction. Synonym: To overturn, overset, invert, overthrow, subvert, repeal, annul, revoke, undo. Origin: See Reverse, and cf. Revert. 1. Turned backward; having a contrary or opposite direction; hence; opposite or contrary in kind; as, the reverse order or method. "A vice reverse unto this." 2. Turned upside down; greatly disturbed. "He found the sea diverse With many a windy storm reverse." (Gower) 3. <botany> Reversed; as, a reverse shell. <medicine> Reverse bearing, a fire in the rear. <mathematics> Reverse operation, an operation the steps of which are taken in a contrary order to that in which the same or similar steps are taken in another operation considered as direct; an operation in which that is sought which in another operation is given, and that given which in the other is sought; as, finding the length of a pendulum from its time of vibration is the reverse operation to finding the time of vibration from the length. Origin: OE. Revers, OF. Revers, L. Reversus, p. P. Of revertere. See Revert. 1. That which appears or is presented when anything, as a lance, a line, a course of conduct, etc, is reverted or turned contrary to its natural direction. "He did so with the reverse of the lance." (Sir W. Scott) 2. That which is directly opposite or contrary to something else; a contrary; an opposite. "And then mistook reverse of wrong for right." (Pope) "To make everything the reverse of what they have seen, is quite as easy as to destroy." (Burke) 3. The act of reversing; complete change; reversal; hence, total change in circumstances or character; especially, a change from better to worse; misfortune; a check or defeat; as, the enemy met with a reverse. "The strange reverse of fate you see; I pitied you, now you may pity me." (Dryden) "By a reverse of fortune, Stephen becomes rich." (Lamb) 4. The back side; as, the reverse of a drum or trench; the reverse of a medal or coin, that is, the side opposite to the obverse. See Obverse. 5. A thrust in fencing made with a backward turn of the hand; a backhanded stroke. 6. <surgery> A turn or fold made in bandaging, by which the direction of the bandage is changed. Origin: Cf. F. Revers. See Reverse. Source: Websters Dictionary (01 Mar 1998) |
| reverse banding | <technique> A reverse Giemsa chromosome banding method that produces bands complementary to G-bands; induced by treatment with high temperature, low pH, or acridine orange staining; often used together with G-banding on human karyotype to determine whether there are deletions. (05 Mar 2000) |
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