| BC | Bachelor of Surgery [Lat. Baccal-aureus Chirurgiae]; back care; bactericidal concentration; basal ce... |
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| BLS | bare lymphocyte syndrome; basic life support; blind loop syndrome; blood and lymphatic system; blood... |
| BLT | bleeding time; blood-clot lysis time; blood test |
| BlV | blood viscosity; blood volume |
| BPI | bacterial permeability-increasing [protein]; Basic Personality Inventory; beef-pork insulin; blood p... |
low blood pressure
| nocardioform group | A group of actinomycetes that forms mycelia that break up into rod-shaped or coccoid elements. Certain genera in this group are pathogenic to man. (12 Dec 1998) |
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| subscapular group of axillary lymph nodes | Node's of the axillary region located along the subscapular vein and its tributaries; they receive afferent vessels from the dorsal surface of the thorax and scapular region, and send efferent vessels to the central group of lymph nodes. Synonym: nodi lymphatici axillares subscapulares, posterior group of axillary lymph nodes. (05 Mar 2000) |
| nonpolar group | <chemistry> Group in which the electronic charge density is essentially uniform and that cannot therefore interact with other groups by forming hydrogen bonds or by strong dipole dipole interactions. In an aqueous environment, nonpolar groups tend to cluster together, providing a major force for the folding of macromolecules and formation of membranes. Clusters are formed chiefly because they cause a smaller increase in water structure (decrease in entropy) than dispersed groups. Nonpolar groups interact with each other only by the relatively weak London van der Waals forces. (12 Mar 1998) |
| dakota group | <geology> A subdivision at the base of the cretaceous formation in Western North America; so named from the region where the strata were first studied. Source: Websters Dictionary (01 Mar 1998) |
| sulfur group | The elements sulfur, selenium, and tellurium; they form dibasic acids with hydrogen, and their oxyacids are also dibasic. (05 Mar 2000) |
| sulfur group transferases | <enzyme> Enzymes that catalyze the transfer of sulfur atoms (2.8.1), sulfur groups (2.8.2) or coenzyme a (2.8.3). Registry number: EC 2.8 (12 Dec 1998) |
| symptom group | See: syndrome, complex. (05 Mar 2000) |
| synechococcus group | Unicellular, coccoid to rod-shaped cyanobacteria that divide by binary fission in a single plane. Their cells lack structured sheaths and range in diameter from 0.3 to 2.3 microns. These organisms are isolated from freshwater, marine, and hot spring environments. By examining morphological, physiological, and chemical properties it has been possible to subdivide this group into six "strain clusters". These clusters are equivalent to genera but have not been formalised. (12 Dec 1998) |
| synechocystis group | Unicellular cyanobacteria that divide by binary fission in two or three successive planes at right angles to one another. Typically, the cells occur singly or in pairs. These organisms are isolated from freshwater and seawater environments. By examining morphological, physiological, and chemical properties it has been possible to subdivide this group into four "strain clusters". These clusters are equivalent to genera but have not been formalised. (12 Dec 1998) |
| determinant group | That part of an antigenic molecule against which a particular immune response is directed. For instance a tetra to penta peptide sequence in a protein, a tri to penta glycoside sequence in a polysaccharide. In the animal most antigens will present several or even many antigenic determinants simultaneously. See: hapten. (18 Nov 1997) |
| diagnosis-related group | A classification of patients by diagnosis or surgical procedure (sometimes including age) into major diagnostic categories (each containing specific diseases, disorders, or procedures) for the purpose of determining payment of hospitalization charges, based on the premise that treatment of similar medical diagnoses generate similar costs. A scheme for billing for medical and especially hospital services by combining diseases into groups according to the resources needed for care, arranged by diagnostic category. A dollar value is assigned to each group as the basis of payment for all cases in that group, without regard to the actual cost of care or duration of hospitalization of any individual case, as a mechanism to motivate health-care providers to economise. (05 Mar 2000) |
| difarnesyl group | A 30-carbon open chain hexaisoprenoid hydrocarbon radical; occurs as a side chain in vitamin K2. (05 Mar 2000) |
| quebec group | <geology> The middle of the three groups into which the rocks of the Canadian period have been divided in the American Lower Silurian system. Source: Websters Dictionary (01 Mar 1998) |
| InV group antigen | Allotypic antigens that are present on human kappa immunoglobulin light chains. Synonym: InV group antigen. (05 Mar 2000) |
| one-carbon group transferases | <enzyme> A subclass of transferases that transfer chemical groups containing a single carbon. These include the methyltransferases, the hydroxymethyl and formyl transferases, the carboxyl and carbamoyl transferases, and the amidinotransferases. Registry number: EC 2.1 (12 Dec 1998) |