| ADRBK | beta-1-adrenergic receptor kinase |
|---|---|
| ADRBR | adrenergic beta-receptor |
| BAI | basilar artery insufficiency; beta-aminoisobutyrate |
| BAIB | beta-aminoisobutyric [acid] |
| BAP | bacterial alkaline phosphatase; Behavior Activity Profile; beta-amyloid peptide; blood-agar plate; b... |
| beta 2m-/- | beta 2 microglobulin-deficient |
|---|---|
| beta 2R | beta 2-Adrenergic receptors |
| beta 3-AR | Beta 3-adrenoceptor |
| beta A4 | beta amyloid protein |
| beta APP | Beta-amyloid precursor protein |
| beta ARK | beta AR kinase |
| beta ARK1 | Beta-adrenergic receptor kinase 1 |
| beta C | beta chain |
| beta C | beta subunit |
| beta CCE | Ethyl-beta-carboline-3-carboxylate |
| 11 beta-HSD2 | 11 beta-Hydroxysteroid dehydrogenase type 2 |
|---|---|
| 17 beta-HSD | 17 Beta-Hydroxysteroid dehydrogenase |
| 17,20 beta-P | 17 alpha, 20 beta-dihydroxy-4-pregnen-3-one |
| 17 beta-HSOR | 17 beta-Hydroxysteroid oxidoreductase |
| 17 beta-E(2) | 17 beta-estradiol |
| beta particle | <physics, radiobiology> An electron or positron emitted from a radioactive nucleus during beta decay. (09 Oct 1997) |
|---|---|
| beta pleated sheet | <cell biology> Beta secondary structure in proteins consists of two almost fully extended polypeptide chains lying side by side, linked by interchain hydrogen bonds between peptide C=O and N H groups. The chains may run in the same or opposite directions (yielding parallel or antiparallel structures, respectively). When multiple chains are involved, an extended sheet, the pleated sheet, is formed. (18 Nov 1997) |
| beta radiation | <radiobiology> Radiant energy from a source of beta rays. (05 Mar 2000) |
| beta ray | 1. <radiobiology> Original term used for electrons (and positrons) ejected from decaying nuclei via beta emission. (Label derives from the old days when we had various kinds of radiation emission, and they were labelled alpha, beta, and gamma (the first letters of the Greek Alphabet) because no one really knew what any of them were.) 2. A stream of positive or negative electrons ejected with high energy from a disintegrating atomic nucleus; most biomedically used isotopes emit negative particles (electrons or negatrons, rather than positrons). Cathode rays are low-energy negative electrons produced in cathode ray tubes, also called television tubes or oscilloscopes. (12 Sep 2000) |
| beta rhythm | <neurology> Brain waves in the electroencephalogram which have a frequency of 18 to 30 per second. They are typical during periods of intense activity of the nervous system, and occur principally in the parietal and frontal regions. (12 Dec 1998) |
| beta sheets | <biochemistry> A structure of proteins where the peptide is extended and stabilised by hydrogen bonding between NH and CO groups of different polypeptide chains or separate regions of the same chain. (05 Mar 2000) |
| Beta tests | <psychiatry> A set of pictorially administered mental tests first used in the United States Army in 1917-1918 to determine the relative mental ability of recruits who were illiterate or deficient in reading and writing English, the instructions being given in signs and the test material's pictorial in characters; distinguished from the Army Alpha tests, which were administered at the same time to literate recruits. Synonym: Army Beta tests. (05 Mar 2000) |
| beta thalassaemia | <haematology> Thalassaemia due to one of two or more genes that depress (partially or completely) synthesis of beta-globin chains by the chromosome bearing the abnormal gene. Heterozygous state (A2 t.): thalassaemia minor with Hb A2 increased, Hb F normal or variably increased, Hb A normal or slightly reduced. Homozygous state: thalassaemia major with Hb A reduced to very low but variable levels, Hb F very high level. A disorder characterised by reduced synthesis of the beta chains of haemoglobin. There is retardation of haemoglobin a synthesis in the heterozygous form (thalassaemia minor), which is asymptomatic, while in the homozygous form (thalassaemia major, cooley's anaemia, mediterranean anaemia, erythroblastic anaemia), which can result in severe complications and even death, haemoglobin a synthesis is absent. (05 Mar 2000) |
| beta wave | <neurology> Brain waves in the electroencephalogram which have a frequency of 18 to 30 per second. They are typical during periods of intense activity of the nervous system, and occur principally in the parietal and frontal regions. (12 Dec 1998) |
| beta, or beta-value | <radiobiology> Ratio of plasma kinetic pressure to magnetic-field pressure, proportional to the ratio of plasma kinetic energy density to magnetic field energy density. Beta is usually measured relative to the total, local field (loosely called beta toroidal), but sometimes the plasma pressure relative to only the poloidal component of the field (beta poloidal) or relative to some external field (like the maximum field at the magnetic coils) is more useful. There is also a normalised beta (beta_N) of interest when discussing the beta limit. (lots of help from Art Carlson with the above.) Because the cost of a reactor is strongly influenced by the strength of the magnetic field that must be provided, beta values are directly related to the economics of fusion power production. Beta is usually expressed as a percentage, with 5% generally believed to be the minimum value required for an economical fusion reactor. See: pressure, kinetic pressure, magnetic pressure, second stability. (09 Oct 1997) |
| beta-(2-furyl)-acryloyl phosphate hydrolase | <enzyme> Used as synthetic substrate for atpase assay Registry number: EC 3.6.1.- Synonym: bfa phosphatase (26 Jun 1999) |
| beta-1,3-galactosyl-0-glycosyl-glycoprotein beta-1,3-N-acetylglucosaminyltransferase | <enzyme> Capable of adding a glcnac residue to g1cnacman(3)g1cnac; from mung bean seedlings Registry number: EC 2.4.1.146 Synonym: n-acetylglucosaminyltransferase II, gal3-(glcnac6)galnac-mucin (glcnac--gal)3-glcnactransferase (26 Jun 1999) |
| beta-1,3-galactosyl-O-glycosyl-glycoprotein beta-1,6-acetylglucosaminyl transferase | <enzyme> With EC 2.4.1.148 this is called beta6-glcnac-transferase b Registry number: EC 2.4.1.102 Synonym: gal3-galnac-mucin-6-glcnac transferase, udp-glcnac-gal1-3galnac-r-(glcnac to galnac)-beta1-6glcnac transferase, core 2 glcnac transferase, core 2-n-acetylglucosaminyltransferase, core 2 beta6-gn-t (26 Jun 1999) |
| beta-1,4-mannosyl-glycoprotein beta-1,4-N-acetylglucosaminyltransferase | <enzyme> Induced in preneoplastic stage of liver carcinogenesis promoted by orotic acid in rats; adds "bisecting n-acetylglucosaminyl residue in beta 1,4 linkage to the beta-linked mannose of the core of asparagine-linked oligosaccharides Registry number: EC 2.4.1.144 Synonym: n-acetylglucosaminyltransferase III, udpgnac-glycopeptide beta4-n-acetylglucosaminyl transferase III, udpgnac-magtransferase III, udp-n-acetylglucosamine-beta-d-mannoside beta-1,4-n-acetylglucosaminyltransferase III (26 Jun 1999) |
| beta-adrenergic blocking agent | A class of drugs that compete with beta-adrenergic agonists for available receptor sites; some compete for both b1 and b2 receptors (e.g., propranolol) while others are primarily either b1 (e.g., metoprolol) or b2 blockers; used in the treatment of a variety of cardiovascular diseases where beta-adrenergic blockade is desirable. Synonym: beta-adrenergic receptor blocking agent, beta-adrenoreceptor antagonist, beta-blocker. (05 Mar 2000) |
| amyloid beta-protein | A 4 kD protein, 39-43 amino acids long, expressed by a gene located on chromosome 21. It is the major protein subunit of the vascular and plaque amyloid filaments in individuals with alzheimer's disease and in aged individuals with trisomy 21 (down syndrome). The protein is found predominantly in the nervous system, but there have been reports of its presence in non-neural tissue. (12 Dec 1998) |
|---|---|
| amyloid beta-protein precursor | A precursor to the amyloid-beta protein (beta/a4). Alterations in the expression of the amyloid beta-protein precursor (abpp) gene, located on chromosome 21, plays a role in the development of the neuropathology common to both alzheimer disease and down syndrome. Abpp is associated with the extensive extracellular matrix secreted by neuronal cells. Upon cleavage, this precursor produces three proteins of varying amino acid lengths: 695, 751, and 770. The beta/a4 (695 amino acids) or beta-amyloid protein is the principal component of the extracellular amyloid in senile plaques found in alzheimer disease, down syndrome and, to a limited extent, in normal aging. (12 Dec 1998) |
| androst-16-en-3 beta-ol sulfotransferase | <enzyme> A beta sulfotransferase Registry number: EC 2.8.2.- Synonym: aebo sulfotransferase (26 Jun 1999) |
| androsta-5,16-dien-3 beta-ol synthetase | <enzyme> Nadph- and o(2)-dependent; converts progesterone to 4,16-androstadien-3-one and converts pregnenolone to androstadienol Registry number: EC 1.- Synonym: pregnenolone side-chain cleavage enzyme, 5,16-androstadien-3 beta-ol synthetase, 5,16-androstadien-3-ol synthase, 4,16-androstadien-3-one synthesizing enzyme, 4,16-adien-3-one synthase, 4,16-ado synthase, delta(16)-c(19)-steroid synthetase, andien-beta-synthetase, 16-ene-synthetase (26 Jun 1999) |
| broad beta disease | Hyperlipoproteinaemia characterised by increased plasma levels of LDL, beta-lipoproteins, pre-beta-lipoproteins, cholesterol, phospholipids, and triglycerides; hypertriglyceridemia induced by a high carbohydrate diet, and glucose tolerance is abnormal; frequent eruptive xanthomas and atheromatosis, particularly coronary artery disease; biochemical defect lies in apolipoproteins; there are many varieties. Synonym: carbohydrate-induced hyperlipaemia, dysbetalipoproteinaemia, familial hyperbetalipoproteinaemia and hyperprebetalipoproteinaemia, familial hypercholesterolaemia with hyperlipaemia. (05 Mar 2000) |
| galactosylxylosylprotein 3-beta-galactosyltransferase | <enzyme> Catalyses the reaction of udpgalactose and 4-beta-d-(galactosyl-o-beta-d-xylosylprotein to yield udp and 3-beta-d-galactosyl-o-beta-d-xylosylprotein Registry number: EC 2.4.1.134 Synonym: galactosyltransferase II, (26 Jun 1999) |
| mannosylglycoprotein beta-1,4-N-acetylglucosaminyltransferase | <enzyme> Transfers n-acetylglucosamine from udp-glcnac in beta 1-4 linkage to the d-mannose residue of glcnac beta 1-6 (glcnac beta 1-2)man alpha-r where r is 1-6 man beta-(ch2)8cooch3 on methyl; model for asparagine linked oligosaccharide Registry number: EC 2.4.1.- Synonym: n-acetylglucosaminyltransferase vi (26 Jun 1999) |
| mannosyl-glycoprotein endo-beta-n-acetylglucosaminidase | <enzyme> A group of related enzymes responsible for the endohydrolysis of the di-n-acetylchitobiosyl unit in high-mannose-content glycopeptides and glycoproteins. Chemical name: Glycopeptide-D-mannosyl-N(4)-(N-acetyl-D-glucosaminyl)2-asparagine 1,4-N-acetyl-beta-glucosaminohydrolase Registry number: EC 3.2.1.96 (12 Dec 1998) |
| gene rearrangement, beta-chain T-cell antigen receptor | Ordered rearrangement of T-cell variable gene regions coding for the beta-chain of antigen receptors. (12 Dec 1998) |
| genes, T-cell receptor beta | DNA sequences encoding the beta chain of the T-cell receptor. The genomic organization of the tcr beta genes is essentially the same in all species and is similar to the organization of ig genes. (12 Dec 1998) |
| receptors, adrenergic, beta | One of the two major pharmacologically defined classes of adrenergic receptors. The alpha-beta distinction was originally based on the cellular effects of receptor activation but now relies on the relative affinities for characteristic synthetic ligands. Beta adrenergic receptors are further subdivided based on information from endogenous and cloned receptors. (12 Dec 1998) |
| receptors, adrenergic, beta-1 | A subclass of beta-adrenergic receptors (receptors, adrenergic, beta). Beta-1 adrenergic receptors are equally sensitive to epinephrine and norepinephrine and bind the agonist dobutamine and the antagonist metoprolol with high affinity. They are found in the heart, juxtaglomerular cells, and in the central and peripheral nervous systems. (12 Dec 1998) |
| receptors, adrenergic, beta-2 | A subclass of beta-adrenergic receptors (receptors, adrenergic, beta). Beta-2 adrenergic receptors are more sensitive to epinephrine than to norepinephrine and have a high affinity for the agonist terbutaline. They are widespread, with clinically important roles in skeletal muscle, liver, and vascular, bronchial, gastrointestinal, and genitourinary smooth muscle. (12 Dec 1998) |
| receptors, antigen, T-cell, alpha-beta | T-cell receptors composed of CD3-associated alpha and beta polypeptide chains and expressed primarily in CD4+ or CD8+ T-cells. Unlike immunoglobulins, the alpha-beta T-cell receptors recognise antigens only when presented in association with major histocompatibility (MHC) molecules. (12 Dec 1998) |
| receptors, transforming growth factor beta | Cell-surface proteins that bind transforming growth factor beta and trigger changes influencing the behaviour of cells. Two types of transforming growth factor receptors have been recognised. They differ in affinity for different members of the transforming growth factor beta family and in cellular mechanisms of action. Transforming growth factor alpha binds to the same receptors as epidermal growth factor (see receptors, epidermal growth factor-urogastrone). (12 Dec 1998) |
Synonyms : Beta Radiation, Radiation, Beta, Beta Particle, Beta Radiations, Beta Ray, Cathode Ray, Particle, Beta, Particles, Beta, Radiations, Beta, Ray, Beta, Ray, Cathode, Rays, Beta, Rays, Cathode
Synonyms : Beta Rhythm Electroencephalography, Beta Rhythms, Rhythm, Beta, Rhythms, Beta
Synonyms :
Synonyms : beta-AR Kinase, Receptor Kinase, beta-Adrenergic, beta AR Kinase, beta Adrenergic Receptor Kinase
Synonyms : beta-Alanine Hydrochloride, beta-Alanine, Calcium Salt (2:1), beta-Alanine, Monopotassium Salt, beta-Alanine, Monosodium Salt, 3 Aminopropionic Acid, Hydrochloride, beta-Alanine, beta Alanine, beta Alanine Hydrochloride, beta Alanine, Monopotassium Salt
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| beta rhythm |
the normal brainwave in the encephalogram of a person who is awake and alert; occurs with a frequency between 12 and 30 hertz
Ãâó: wordnet.princeton.edu/perl/webwn
|
|---|---|
| beta wave |
beta rhythm: the normal brainwave in the encephalogram of a person who is awake and alert; occurs with a frequency between 12 and 30 hertz
Ãâó: wordnet.princeton.edu/perl/webwn
|
| beta-adrenergic blocking agent |
beta blocker: any of various drugs used in treating hypertension or arrhythmia; decreases force and rate of heart contractions by blocking beta-adrenergic receptors of the autonomic nervous system
Ãâó: wordnet.princeton.edu/perl/webwn
|
| beta-adrenergic receptor |
beta receptor: receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat)
Ãâó: wordnet.princeton.edu/perl/webwn
|
| betatron |
accelerates a continuous beam of electrons to high speeds by means of the electric field produced by changing magnetic flux
Ãâó: wordnet.princeton.edu/perl/webwn
|
| beta | the normal brainwave in the encephalogram of a person who is awake and alert |
|---|---|
| beta | pre-release software that has received an alpha test but still has more bugs than a regular release |
| beta | a second test of an experimental product (such as computer software) carried out by an outside organization |
| beta | biennial Eurasian plant usually having a swollen edible root |
| beta | beet lacking swollen root |
| beta | beet having a massively swollen red root |
| beta | beet with a large yellowish root |
| beta | the normal brainwave in the encephalogram of a person who is awake and alert |
| beta | any of various drugs used in treating hypertension or arrhythmia |
| beta | any of various drugs used in treating hypertension or arrhythmia |
| beta | receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat) |
| beta | receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat) |
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