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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

destrin
<cell biology> Actin depolymerising protein (19 kD) from pig, apparently identical to ADF and similar to cofilin. ... (18 Nov 1997) ...

destructive distillation
Synonym for dry distillation ... Submission of an organic substance to heat in a closed vessel so that oxygen is absent and combustion prevented, with the objective of effecting its decomposition with release of volatile constituents and the formation of new substances. ... Synonym: destructive distillation. ... (05 Mar 2000) ...

destrudo
Energy associated with the death or destructive instinct. ... Origin: coinage on the analogy of libido fr. L. Destruo, to destroy ... (05 Mar 2000) ...

destruxin
<protein> Cyclic depsipeptide fungal toxins that suppress the immune response in invertebrates. ... (18 Nov 1997) ...

desulfhydrases
Enzymes or groups of enzymes catalyzing the removal of a molecule of H2S or substituted H2S from a compound, as in the conversion of cysteine to pyruvic acid by cysteine desulfhydrase (cystathionine gamma-lyase). ... Synonym: desulfurases. ... (05 Mar 2000) ...

desulfinase
Term sometimes applied to the enzyme (aspartate-4-decarboxylase) removing sulfite: 1) from cysteinesulfinate, an intermediate in cysteine degradation, yielding alanine; 2) from sulfinylpyruvate, previously postulated to be formed by deamination of cysteinesulfinate, yielding pyruvate; degradation of sulfinylpyruvate is now considered to be spontane …

desulfo xanthine dehydrogenase
<enzyme> Naturally occuring inactive form of xanthine dehydrogenase ... Registry number: EC 1.1.1.- ... (26 Jun 1999) ...

Desulfotomaculum
A genus of rod-shaped (straight or curved), anaerobic, chemoorganotrophic motile bacteria that stain Gram-negative but have Gram-positive cell walls. Found in soil, the rumen and elsewhere. The type species is Desulfotomaculum nigrificans. ... (05 Mar 2000) ...

Desulfotomaculum nigrificans
A species found in canned corn showing 'sulfur stinker spoilage.' It is not pathogenic. ... (05 Mar 2000) ...

desulfovibrio
A genus of gram-negative, anaerobic, rod-shaped bacteria capable of reducing sulfur compounds to hydrogen sulfide. Organisms are isolated from anaerobic mud of fresh and salt water, animal intestines, manure, and feces. ... (12 Dec 1998) ...

desulfovibrio vulgaris
A species of gram-negative, anaerobic, rod-shaped bacteria isolated from soil, animal intestines and feces, and fresh and salt water. ... (12 Dec 1998) ...

desulfurases
Synonym for desulfhydrases ... Enzymes or groups of enzymes catalyzing the removal of a molecule of H2S or substituted H2S from a compound, as in the conversion of cysteine to pyruvic acid by cysteine desulfhydrase (cystathionine gamma-lyase). ... Synonym: desulfurases. ... (05 Mar 2000) ...

desulfurococcaceae
A family of thermoproteales consisting of anaerobic cocci which utilise peptides, proteins or carbohydrates facultatively by sulfur respiration or fermentation. There are four genera: desulfurococcus, pyrodictium, staphylothermus, and thermodiscus. ... (12 Dec 1998) ...

desulphurisation
1. <biochemistry> The process of removing sulphur from a molecule. ... 2. <chemistry, technique> The process of removing sulphur and sulphur residues or compounds from minerals, ores, petroleum, coal, oil etc. ... (09 Oct 1997) ...

desynapsis
<cell biology, genetics> Separation of the paired homologous chromosomes at the diplotene stage of meiotic prophase I. ... (18 Nov 1997) ...

desynchronous
Lack of synchrony, as in brain waves. ... Origin: de-+ G. Syn, with, + chronos, time ... (05 Mar 2000) ...

detachable balloon
A small balloon, attached to the tip of a catheter, which can be released to occlude a vessel. ... (05 Mar 2000) ...

detached cranial section
Synonym for detached craniotomy ... <procedure> Craniotomy with section of cranium separated from its soft tissue attachments. ... Synonym: detached cranial section. ... (05 Mar 2000) ...

detached craniotomy
<procedure> Craniotomy with section of cranium separated from its soft tissue attachments. ... Synonym: detached cranial section. ... (05 Mar 2000) ...

detached retina
Synonym for retinal detachment ... <ophthalmology> A painless disorder (when spontaneous) where the patient complains of a gradual raising or lowering of a curtain over the visual field of the affected eye. May also occur as the result of trauma. ... (27 Sep 1997) ...

detachment
1. A voluntary or involuntary feeling or emotion that accompanies a sense of separation from normal associations or environment. ... 2. Separation of a structure from its support. ... (05 Mar 2000) ...

detail
1. A minute portion; one of the small parts; a particular; an item; used chiefly in the plural; as, the details of a scheme or transaction. 'The details of the campaign in Italy.' (Motley) ... 2. A narrative which relates minute points; an account which dwells on particulars. ... 3. The selection for a particular service of a person or a body of men; …

detect
And ... (12 Dec 1998) ...

detection
Act of detecting, discovery, the laying open of what was concealed or hidden or of what tends to elude observation. ... (18 Nov 1997) ...

detector coil
A coil used in magnetic resonance imaging as an antenna to record radiofrequency emissions of stimulated nuclei, e.g., body coil, head coil. ... (05 Mar 2000) ...

detergent
<chemistry> An agent which purifies or cleanses. ... <cell biology> Amphipathic, surface active, molecules with polar (water soluble) and nonpolar hydrophobic) domains. They bind strongly to hydrophobic molecules or molecular domains to confer water solubility. ... Examples include: sodium dodecyl sulphate, fatty acid salts, the Triton fa …

detergents
Purifying or cleansing agents, usually salts of long-chain aliphatic bases or acids, that exert cleansing (oil-dissolving) and antimicrobial effects through a surface action that depends on possessing both hydrophilic and hydrophobic properties. ... (12 Dec 1998) ...

deterioration
The process or condition of becoming worse. ... Origin: L. Deterior, worse ... (05 Mar 2000) ...

determinant group
Synonym for antigenic determinant ... 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. …

determinate
Of growth or branching, with a bud or flower terminating the growth of the main axis. ... (09 Oct 1997) ...

determinate cleavage
Cleavage resulting in blastomeres each capable of developing only into a particular embryonic structure. ... (05 Mar 2000) ...

determination
<cell biology> The committment of a cell to a particular path of differentiation, even though there may be no morphological features that reveal this determination. Generally irreversible, but in the case of imaginal discs of Drosophila that are maintained by serial passage, transdetermination may occur. ... (18 Nov 1997) ...

determine
1. To fix the boundaries of; to mark off and separate. '[God] hath determined the times before appointed.' (Acts xvii. 26) ... 2. To set bounds to; to fix the determination of; to limit; to bound; to bring to an end; to finish. 'The knowledge of men hitherto hath been determined by the view or sight.' (Bacon) 'Now, where is he that will not stay so …

deterministic model
<epidemiology> A mathematical model in which the parameters and variables are not subject to random fluctuations, so that the system is at any time entirely defined by the initial conditions chosen. Contrast with a stochastic model. ... (05 Dec 1998) ...

detersive
Synonym for detergent ... <chemistry> An agent which purifies or cleanses. ... <cell biology> Amphipathic, surface active, molecules with polar (water soluble) and nonpolar hydrophobic) domains. They bind strongly to hydrophobic molecules or molecular domains to confer water solubility. ... Examples include: sodium dodecyl sulphate, fatty …

detest
1. To witness against; to denounce; to condemn. 'The heresy of Nestorius . . . Was detested in the Eastern churches.' (Fuller) 'God hath detested them with his own mouth.' (Bale) ... 2. To hate intensely; to abhor; to abominate; to loathe; as, we detest what is contemptible or evil. 'Who dares think one thing, and another tell, My heart detests him …

detonating
From Detonate. Detonating gas, a mixture of two volumes of hydrogen with one volume of oxygen, which explodes with a loud report upon ignition. Detonating powder, any powder or solid substance, as fulminate of mercury, which when struck, explodes with violence and a loud report. Detonating primer, a primer exploded by a fuse; used to explode gun co …

detoxicate
To diminish or remove the poisonous quality of any substance; to lessen the virulence of any pathogenic organism. ... Synonym: detoxify. ... Origin: L. De, from, + toxicum, poison ... (05 Mar 2000) ...

detoxication
1. Recovery from the toxic effects of a drug. ... 2. Removal of the toxic properties from a poison. ... 3. Metabolic conversion of pharmacologically active principles to pharmacologically less active principles. ... Synonym: detoxification. ... (05 Mar 2000) ...

detoxification
Treatment designed to free an addict from his drug habit. ... (18 Nov 1997) ...

detoxification reaction
Reactions taking place generally in the liver or kidney in order to inactivate toxins, either by degradation or else by conjugation of residues to a hydrophilic moiety to promote excretion. ... (18 Nov 1997) ...

detoxify
To reduce the toxicity of a substance by either making it less harmful or ... Treating patients suffering from poisoning in such a way as to reduce the probability and/or severity of harmful effects. ... (09 Oct 1997) ...

detrition
A wearing away by use or friction. ... Origin: L. De-tero, pp. -tritus, to rub off ... (05 Mar 2000) ...

detritivore
Animal that consumes decomposing organic particles, deriving nutrition primarily from microbes on the particles. ... (09 Oct 1997) ...

detritus
Undissolved organic or inorganic matter resulting from the decomposition of parent material. ... (09 Oct 1997) ...

detrusor
A muscle that has the action of expelling a substance. ... Origin: L. Detrudo, to drive away ... (05 Mar 2000) ...

detrusor compliance
Change in volume of bladder for a given change in pressure. ... (05 Mar 2000) ...

detrusor hyperreflexia
detrusor instability ...

detrusor muscle of urinary bladder
The muscular coat of the bladder. ... Synonym: musculus detrusor urinae. ... (05 Mar 2000) ...

detrusor pressure
That component of intravesical pressure created by the tension (active and passive) exerted by the bladder wall; the transmural pressure across the bladder wall estimated by subtracting abdominal pressure from intravesical pressure. ... (05 Mar 2000) ...

detrusor sphincter dyssynergia
A disturbance of the normal relationship between bladder (detrusor) contraction and sphincter relaxation during voluntary or involuntary voiding efforts. ... (05 Mar 2000) ...

detrusor stability
A detrusor that accommodates increasing bladder volume without significant increase in detrusor pressure and without involuntary detrusor contraction. ... (05 Mar 2000) ...

detumescence
Subsidence of a swelling. ... Origin: L. De, from, + tumesco, to swell up, fr. Tumeo, to swell ... (05 Mar 2000) ...

deturgescence
The mechanism by which the stroma of the cornea remains relatively dehydrated. ... Origin: L. De, from, + turgesco, to begin to swell ... (05 Mar 2000) ...

deuce
1. Two; a card or a die with two spots; as, the deuce of hearts. ... 2. A condition of the score beginning whenver each side has won three strokes in the same game (also reckoned '40 all'), and reverted to as often as a tie is made until one of the sides secures two successive strokes following a tie or deuce, which decides the game. ... Origin: F. D …

deut-
<chemistry, prefix> A prefix which formerly properly indicated the second in a regular series of compound in the series, and not to its composition, but which is now generally employed in the same sense as bi- or di-, although little used. ... Origin: Contr. From Gr. Second. ... (29 Oct 1998) ...

deutencephalon
Rarely used term for diencephalon. ... Origin: G. Deuteros, second, + enkephalos, brain ... (05 Mar 2000) ...

deuteranomaly
A form of anomalous trichromatism due to a defect of the green-sensitive retinal cones. ... Origin: G. Deuteros, second, + anomalia, anomaly ... (05 Mar 2000) ...

deuteranope
A person affected with deuteranopia. ... (05 Mar 2000) ...

deuteranopia
A congenital abnormality of the retina in which there are two rather than three retinal cone pigments (dichromatism) and complete insensitivity to middle wavelengths (green). ... Origin: G. Deuteros, second, + anopia ... (05 Mar 2000) ...

deuterio-
<prefix> Prefix indicating 'containing deuterium.' ... (05 Mar 2000) ...

deuterium
<radiobiology> A heavy isotope of hydrogen whose nucleus contains both a neutron and a proton. ... (09 Oct 1997) ...

deuterium oxide
<radiobiology> Heavy water, in which the hydrogen is replaced by deuterium. Will stabilise assembled microtubules. ... (18 Nov 1997) ...

deutero-
Deut-deuto- ... Combining forms meaning two, or second (in a series); secondary. ... Origin: G. Deuteros, second ... (05 Mar 2000) ...

deuteromycetes
A class of fungi known asimperfect fungi. The members of this class, which includes Penicillium and Aspergillus and otherfungi important in medicine and food science, all lack a sexualstage but are otherwise unrelated to each other. ... (09 Oct 1997) ...

deuteromycetes penicillium
A class of fungi known asimperfect fungi. The members of this class, which includes Penicillium and Aspergillus and otherfungi important in medicine and food science, all lack a sexual stage but are otherwise unrelated to each other. ... (09 Oct 1997) ...

Deuteromycota
A phylum in which the sexual (teleomorph or perfect) part of the life cycle has not been discovered; only the asexual (anamorph or imperfect) part of the life cycle has been found. ... See: Fungi Imperfecti. ... (05 Mar 2000) ...

deuteron
<radiobiology> A deuterium ion, nucleus consisting of a proton and a neutron. ... (09 Oct 1997) ...

deuteropathic
Relating to a deuteropathy. ... (05 Mar 2000) ...

deuteroplasm
Synonym: deutoplasm. ... Origin: deutero-+ G. Plasma, thing formed ... (05 Mar 2000) ...

deuteroporphyrin
A porphyrin derivative resembling the protoporphyrins except that the two vinyl side chains are replaced by hydrogen. ... (05 Mar 2000) ...

deuteroporphyrins
Porphyrins with four methyl and two propionic acid side chains attached to the pyrrole rings. ... (12 Dec 1998) ...

deuterosome
Dense spherical fibrous granules that occur in the centrosphere and act in the development of centrioles or basal bodies. ... Synonym: procentriole organiser. ... (05 Mar 2000) ...

deuterotocia
A form of parthenogenesis in which the female has offspring of both sexes. ... Synonym: deuterotoky. ... Origin: deutero-+ G. Tokos, childbirth ... (05 Mar 2000) ...

deuterotoky
Synonym for deuterotocia ... A form of parthenogenesis in which the female has offspring of both sexes. ... Synonym: deuterotoky. ... Origin: deutero-+ G. Tokos, childbirth ... (05 Mar 2000) ...

deuto-
See: deutero-. ... (05 Mar 2000) ...

deutogenic
Of secondary origin following an inductive influence. ... Origin: deuto-+ G. -gen, production ... (05 Mar 2000) ...

deutohydroguret
<chemistry> A compound containing in the molecule two atoms of hydrogen united with some other element or radical. ... Origin: Pref. Deut-, deuto- + hydroguret. ... (01 Mar 1998) ...

deutomerite
The posterior nucleated portion of an attached cephalont in a gregarine protozoan, separated by an ectoplasmic septum from the anterior portion, or protomerite. ... Origin: deuto-+ L. Meros, part ... (05 Mar 2000) ...

deuton
Synonym for deuteron ... <radiobiology> A deuterium ion, nucleus consisting of a proton and a neutron. ... (09 Oct 1997) ...

deutoplasmic
Relating to the deutoplasm. ... (05 Mar 2000) ...

deutoplasmigenon
That which produces or gives rise to deutoplasm. ... Origin: deutoplasm + G. Genos, birth ... (05 Mar 2000) ...

deutoplasmolysis
The disintegration of deutoplasm. ... Origin: deutoplasm + G. Lysis, dissolution ... (05 Mar 2000) ...

Deutschlander
Carl E. W., German surgeon, 1872-1942. ... See: Deutschlander's disease. ... (05 Mar 2000) ...

Deutschlander's disease
Tumour of one of the metatarsal bones. ... Synonym: march fracture. ... (05 Mar 2000) ...

DEV
<abbreviation> Duck embryo origin vaccine. ... (05 Mar 2000) ...

devascularization
Occlusion of all or most of the blood vessels to any part or organ. ... Origin: L. De, away, + vasculus, small vessel, + G. Izo, to cause ... (05 Mar 2000) ...

DEVDase
<enzyme> Cleaves the cpp32 protein recognition site asp-glu-val-asp ... Registry number: EC 3.4.99.- ... (26 Jun 1999) ...

develop
1. To go through a process of natural evolution or growth, by successive changes from a less perfect to a more perfect or more highly organised state; to advance from a simpler form of existence to one more complex either in structure or function; as, a blossom develops from a bud; the seed develops into a plant; the embryo develops into a well-for …

developed countries
Countries that have reached a level of economic achievement through an increase of production, per capita income and consumption, and utilization of natural and human resources. ... (12 Dec 1998) ...

developing countries
Countries in the process of change directed toward economic growth, that is, an increase in production, per capita consumption, and income. The process of economic growth involves better utilization of natural and human resources, which results in a change in the social, political, and economic structures. ... (12 Dec 1998) ...

development
1. The act of developing or disclosing that which is unknown; a gradual unfolding process by which anything is developed, as a plan or method, or an image upon a photographic plate; gradual advancement or growth through a series of progressive changes; also, the result of developing, or a developed state. 'A new development of imagination, taste, a …

developmental age
Age estimated by anatomic development since implantation, the degree of anatomic, physiologic, mental, and emotional maturation. ... Synonym: foetal age. ... (05 Mar 2000) ...

developmental anatomy
<procedure> Anatomy of the structural changes of an individual from fertilization to adulthood; includes embryology, fetology, and postnatal development. ... (05 Mar 2000) ...

developmental anomaly
An anomaly established during intrauterine life; a congenital anomaly. ... (05 Mar 2000) ...

developmental biology
<study> The study of how a multicellular organism develops from its early immature forms (zygote, larva, embryo, etc.) into an adult. ... (09 Oct 1997) ...

developmental brain tumours
<radiology> 1% of all brain tumours, germ-cell tumours, epidermoid more than dermoid more than > Teratoma, usually midline, craniopharyngioma, colloid cyst, lipoma, hamartoma ... (12 Dec 1998) ...

developmental delay
Behind schedule in reaching milestones of early childhood development. ... (12 Dec 1998) ...

developmental disabilities
Disorders in which there is a delay in development based on that expected for a given age level or stage of development. These impairments or disabilities originate before age 18, may be expected to continue indefinitely, and constitute a substantial impairment. Biological and nonbiological factors are involved in these disorders. ... (12 Dec 1998)< …

developmental disability
Loss of function brought on by prenatal and postnatal events in which the predominant disturbance is in the acquisition of cognitive, language, motor, or social skills; e.g., mental retardation, autistic disorder, learning disorder, and attention-deficit hyperactivity disorder. ... (05 Mar 2000) ...