Copy of `mondofacto - Online Medical Dictionary`

The wordlist doesn't exist anymore, or, the website doesn't exist anymore. On this page you can find a copy of the original information. The information may have been taken offline because it is outdated.


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


thuja oil
Synonym for cedar leaf oil ... Oil obtained by steam distillation from the fresh leaves of Thuja occidentalis; used as an insect repellent and counterirritant, and in perfumery. ... Synonym: thuja oil. ... (05 Mar 2000) ...

thujol
Synonym for thujone ... C10H16O;the chief constituent of cedar leaf oil; a stimulant similar to camphor. ... Synonym: absinthol, tanacetol, tanacetone, thujol, thuyol, thuyone. ... (05 Mar 2000) ...

thujone
C10H16O;the chief constituent of cedar leaf oil; a stimulant similar to camphor. ... Synonym: absinthol, tanacetol, tanacetone, thujol, thuyol, thuyone. ... (05 Mar 2000) ...

thumb
The first digit on the radial side of the hand. ... Synonym: digitus primus, pollex, first finger. ... Origin: A.S. Thuma ... (05 Mar 2000) ...

thumb forceps
A spring forceps used by compression with thumb and forefinger. ... (05 Mar 2000) ...

thumb fractures
<radiology> Base of 1st metacarpal, Bennett ULNAR side, Rolando RADIAL side (mnemonic R=R), base of 1st proximal phalanx, Gamekeeper avulsion fracture ... (12 Dec 1998) ...

thumb lancet
A lancet with short flat blade which folds back, when closed, between two plates of the handle. ... (05 Mar 2000) ...

thumb reflex
Flexion of the thumb upon tapping the dorsum of the hand. ... Synonym: metacarpothenar reflex. ... (05 Mar 2000) ...

thumbprinting
A radiographic sign of intestinal ischemia associated with haematoma formation oedema in the bowel wall; the thickened and edematous tissues encroach on the air-or contrast-filled lumen radiographically. ... (05 Mar 2000) ...

thumps
1. Spasmodic contractions of the diaphragm, or hiccups, occasionally seen in animals. ... 2. In swine, a type of irregular jerky breathing seen in swine influenza, in severely anaemic pigs, and in young pigs when ascarid larvae are migrating through the tissues. ... (05 Mar 2000) ...

thunder
1. To produce thunder; to sound, rattle, or roar, as a discharge of atmospheric electricity; often used impersonally; as, it thundered continuously. 'Canst thou thunder with a voice like him?' (Job xl. 9) ... 2. To make a loud noise; especially. A heavy sound, of some continuance. 'His dreadful voice no more Would thunder in my ears.' (Milton) ... 3. …

thunderbolt
1. A shaft of lightning; a brilliant stream of electricity passing from one part of the heavens to another, or from the clouds to the earth. ... 2. Something resembling lightning in suddenness and effectiveness. 'The Scipios' worth, those thunderbolts of war.' (Dryden) ... 3. Vehement threatening or censure; especially, ecclesiastical denunciation; f …

thunderworm
<zoology> A small, footless, burrowing, snakelike lizard (Rhineura Floridana) allied to Amphisbaena, native of Florida; so called because it leaves its burrows after a thundershower. ... (01 Mar 1998) ...

thus
Synonym: olibanum. ... Origin: L. Incense ... (05 Mar 2000) ...

thuyol
Synonym for thujone ... C10H16O;the chief constituent of cedar leaf oil; a stimulant similar to camphor. ... Synonym: absinthol, tanacetol, tanacetone, thujol, thuyol, thuyone. ... (05 Mar 2000) ...

thwaite
Forest land cleared, and converted to tillage; an assart. ... Thwaite occurs in composition as the last element in many names of places in the north of England; as, in Rosthwaite, Stonethwaite. ... Origin: CF. Icel. Veit a piece of land, fr. Vita to cut. See Thwite, and cf. Doit, and Twaite land cleared of woods. ... <zoology> The twaite. ... Sou …

Thy
<abbreviation> Thymine. ... (05 Mar 2000) ...

Thy 1 glycoprotein
<cell biology, immunology> A molecule of 19 kD found on the surface of lymphoid and brain tissues of some mammals. Used as a marker for T lymphocytes in those species displaying it. Two allelic forms are known, Thy 1a, Thy 1b, determining Thy 1.1. And Thy 1.2. Molecules respectively, formerly known as _ AKR and _ C3H respectively. Functions u …

Thygeson, Phillips
<person> U.S. Ophthalmologist, *1903. ... See: Thygeson's disease. ... (05 Mar 2000) ...

Thygeson's disease
Synonym for superficial punctate keratitis ... Epithelial punctate keratitis associated with viral conjunctivitis. ... Synonym: Thygeson's disease. ... (05 Mar 2000) ...

thylacitis
Inflammation of the sebaceous glands of the skin. ... Origin: G. Thylax, bag, + -itis, inflammation ... (05 Mar 2000) ...

thylakoid
<plant biology> Membranous cisternae of the chloroplast, found as part of the grana and also as single cisternae interconnecting the grana. Contain the photosynthetic pigments, reaction centres and electron transport chain. Each thylakoid consists of a flattened sac of membrane enclosing a narrow intra thylakoid space. ... (18 Nov 1997) ...

thylakoid processing peptidase
<enzyme> Signal type peptidase with stringent substrate requirements at the -3 and -1 positions; removes amino-terminal peptide extension which transports proteins across the thylakoid membrane ... Registry number: EC 3.4.99.- ... (26 Jun 1999) ...

thylakoid protein kinase
<enzyme> 64kda protein kinase from spinach or pea thylakoid membranes; phosphorylates thylakoid proteins ... Registry number: EC 2.7.1.- ... (26 Jun 1999) ...

thym-
See: thymo-. ... (05 Mar 2000) ...

thyme
<botany> Any plant of the labiate genus Thymus. The garden thyme (Thymus vulgaris) is a warm, pungent aromatic, much used to give a relish to seasoning and soups. 'Ankle deep in moss and flowery thyme.' (Cowper) Cat thyme, a labiate plant (Teucrium Marum) of the Mediterranean religion. Cats are said to be fond of rolling on it. Wild thyme, Th …

thyme oil
Oil of thyme, a volatile oil distilled from the flowering plants of Thymus vulgaris or T. Zygis; a flavoring agent. ... (05 Mar 2000) ...

thymectomy
<surgery> The excision of the thymus by operation, radiation or chemical means. ... (18 Nov 1997) ...

thymelcosis
An obsolete term for suppuration of the thymus gland. ... Origin: thymus + G. Helkosis, ulceration ... (05 Mar 2000) ...

thymic abscesses
Synonym for Dubois' abscesses ... Small cysts of the thymus containing polymorphonuclear leukocytes but lined by squamous epithelium; reported in congenital syphilis but also found in the absence of syphilis. ... Synonym: Dubois' disease, thymic abscesses. ... (05 Mar 2000) ...

thymic acid
Synonym: thymol. ... Origin: see thyme ... (05 Mar 2000) ...

thymic agenesis
The absence of the thymus, which may be associated with parathyroid agenesis in DiGeorge syndrome. ... (05 Mar 2000) ...

thymic alymphoplasia
Hypoplasia with absence of Hassall's corpuscles and deficiency of lymphocytes in the thymus and usually in lymph nodes, spleen, and gastrointestinal tract; there is peripheral lymphopenia and often hypogammaglobulinaemia and absence of plasma cells; presents in early infancy with respiratory infections and leads to death within a few months. ... See …

thymic aplasia
<disease, immunology> A lack of T lymphocytes, due to failure of the thymus to develop, resulting in very reduced cell-mediated immunity though serum immunoglobulin levels may be normal. ... See: DiGeorge syndrome. ... Origin: Gr. Plassein = to form ... (18 Nov 1997) ...

thymic arteries
Synonym for mediastinal branches of internal thoracic artery ... <anatomy, artery> Small twigs supplying anterior mediastinal structures: mainly thymus and lymph nodes. ... Synonym: rami mediastinales arteriae thoracicae internae, rami thymici, anterior mediastinal arteries, arteriae thymicae, thymic arteries. ... (05 Mar 2000) ...

thymic corpuscle
Small spherical bodies of keratinised and usually squamous epithelial cells arranged in a concentric pattern around clusters of degenerating lymphocytes, eosinophils, and macrophages; found in the medulla of the lobules of the thymus. ... Synonym: Hassall's bodies, Hassall's concentric corpuscle, Virchow-Hassall bodies. ... (05 Mar 2000) ...

thymic factor, circulating
<chemical> A thymus-dependent nonapeptide found in normal blood. Stimulates the formation of e rosettes and is believed to be involved in T-cell differentiation. ... Chemical name: Thymulin ... (12 Dec 1998) ...

thymic hormone
<endocrinology> One of the hormones produced by the thymus that are believed to play a role in the maturation of T-lymphocytes and overall modulation of the immune system. Versions of several of them are under study as anti-HIV therapies-thymopentin and thymosin-a1 in particular. ... (09 Oct 1997) ...

thymic hypoplasia
Synonym for immunodeficiency with hypoparathyroidism ... DiGeorge syndrome ...

thymic lymphopoietic factor
A glycoprotein (MW about 12,000) that has been extracted from thymus; this thymus-produced hormone(s) confers immunological competence on thymus-dependent cells and induces lymphopoiesis. ... (05 Mar 2000) ...

thymic veins
A number of small veins from the thymus emptying into the left brachiocephalic vein. ... Synonym: venae thymicae. ... (05 Mar 2000) ...

thymicolymphatic
Relating to the thymus and the lymphatic system. ... (05 Mar 2000) ...

thymidine
<biochemistry> Term that is always used in practice for the nucleoside thymine deoxyriboside, not the riboside which naming of the other nucleosides might lead one to expect. ... (18 Nov 1997) ...

thymidine 5'-diphosphate
Thymidine esterified at its 5' position with diphosphoric acid. ... Acronym: dTDP ... (05 Mar 2000) ...

thymidine 5'-monophosphate
Synonym for thymidylic acid ... A major constituent of DNA. ... Synonym: thymidine 5'-monophosphate, thymine nucleotide. ... (05 Mar 2000) ...

thymidine 5'-triphosphate
Thymidine esterified at its 5' position with triphosphoric acid; the immediate precursor of thymidylic acid in DNA. ... Acronym: dTTP ... (05 Mar 2000) ...

thymidine kinase
<enzyme> Of pyrimidine salvage, catalysing phosphorylation of thymine deoxyriboside to form its 5' phosphate, the nucleotide thymidylate. Animal cells lacking this enzyme can be selected by lethal synthesis, for example by resistance to bromodeoxyuridine and can be used as parentals in somatic hybridisation, since they are unable to grow in H …

thymidine monophosphate
<chemical> 5-thymidylic acid. A thymine nucleotide containing one phosphate group esterified to the deoxyribose moiety. ... Chemical name: 5'-Thymidylic acid ... (12 Dec 1998) ...

thymidine permease
<chemical> ... (26 Jun 1999) ...

thymidine phosphorylase
<enzyme> The enzyme catalyzing the transfer of 2-deoxy-d-ribose from thymidine to orthophosphate, thereby liberating thymidine. ... Chemical name: Thymidine:orthophosphate deoxy-D-ribosyltransferase ... Registry number: EC 2.4.2.4 ... (12 Dec 1998) ...

thymidine triphosphate
A molecule which consists of the nitrogenous base thymine linked to the sugar ribose and which has a chain of three phosphate groups attached to the ribose in a linear fashion. TTP is required for DNA and RNA synthesis since it is a direct precursor molecule. ... (09 Oct 1997) ...

thymidylate synthase
<enzyme> An enzyme of the transferase class that catalyses the reaction 5,10-methylenetetrahydrofolate and dump to dihydrofolate and dtmp in the synthesis of thymidine triphosphate. ... Chemical name: 5,10-Methylenetetrahydrofolate:dUMP C-methyltransferase ... Registry number: EC 2.1.1.45 ... (12 Dec 1998) ...

thymidylic acid
A major constituent of DNA. ... Synonym: thymidine 5'-monophosphate, thymine nucleotide. ... (05 Mar 2000) ...

thymin
See: thymopoietin. ... (05 Mar 2000) ...

thymine
<biochemistry> Pyrimidine base found in DNA (in place of uracil of RNA). ... (18 Nov 1997) ...

thymine deoxyribonucleoside
Synonym for thymidine ... <biochemistry> Term that is always used in practice for the nucleoside thymine deoxyriboside, not the riboside which naming of the other nucleosides might lead one to expect. ... (18 Nov 1997) ...

thymine deoxyribonucleotide
Synonym for deoxythymidylic acid ... A component of DNA; originally and properly called thymidylic acid, but use of deoxy-is less ambiguous, as ribothymidylic acid is now known to exist. ... Synonym: thymine deoxyribonucleotide. ... (05 Mar 2000) ...

thymine dimer
<molecular biology> Dimer that can be formed in DNA by covalent linkage between two adjacent (cis) thymidine residues, in response to ultraviolet irradiation. Occurrence potentially mutagenic, although repair enzymes exist that can excise thymine dimers. ... See: xeroderma pigmentosum. ... (18 Nov 1997) ...

thymine nucleotide
Synonym for thymidylic acid ... A major constituent of DNA. ... Synonym: thymidine 5'-monophosphate, thymine nucleotide. ... (05 Mar 2000) ...

thymine nucleotides
Phosphate esters of thymidine in n-glycosidic linkage with ribose or deoxyribose, as occurs in nucleic acids. ... (12 Dec 1998) ...

thymine, 2-oxoglutarate dioxygenase
<enzyme> 5-hydroxymethyluracil,2-oxoglutarate dioxygenase was formerly EC 1.14.11.5; for this activity, substrate thymine may be replaced by uracil/analogs ... Chemical name: 5-hydroxymethyluracil,2-oxoglutarate dioxygenase /od/ thymine 7-hydroxylase ... Registry number: EC 1.14.11.6 ... Synonym: thymine 7-hydroxylase, alpha-ketoglutarate dioxyg …

thyminuria
See: hyperuracil thyminuria. ... (05 Mar 2000) ...

thymitis
Inflammation of the thymus gland. ... (05 Mar 2000) ...

thymo-
1. The thymus. ... Origin: G. Thymos ... 2. Mind, soul, emotions. ... Origin: G. Thymos, the mind or heart as the seat of strong feelings or passions ... 3. Wart, warty. ... Origin: G. Thymos, thymion ... (05 Mar 2000) ...

thymocyte
<haematology> Lymphocyte within the thymus, term usually applied to an immature lymphocyte. ... (18 Nov 1997) ...

thymogenic
Of affective origin. ... Origin: G. Thymos, mind, + genesis, origin ... (05 Mar 2000) ...

thymokinetic
Activating the thymus gland. ... Origin: thymus + G. Kinesis, movement ... (05 Mar 2000) ...

thymol blue
A dye used as an acid-base indicator, with a pK value at 1.7 and another at 8.9; red at pH values below 1.2, yellow between 2.8 and 8.0, and blue above 9.6. ... (05 Mar 2000) ...

thymol iodide
C20H24I2O2;has been used as a substitute for iodoform in skin diseases, wounds, ulcers, purulent rhinitis, otitis, etc. ... (05 Mar 2000) ...

thymol turbidity test
Precipitation of abnormal proportions of albumin and globulin from the serum of patients with liver disease by addition of thymol. Although popular in the past it has been superseded by quantitative determination of specific proteins and direct measurement of liver enzymes. ... Synonym: Maclagan's test, Maclagan's thymol turbidity test. ... (05 Mar 2 …

thymolphthalein
<chemical> 5',5''-diisopropyl-2',2''-dimethylphenolphthalein. Used as a pH indicator and as a reagent for blood after decolorizing the alkaline solution by boiling with zinc dust. ... Pharmacological action: indicators and reagents, phthalein dyes. ... Chemical name: 1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-2-methyl-5-(1-methylethyl)phenyl)-
thymoma
<oncology, tumour> A tumour of thymic origin. ... (18 Nov 1997) ...

thymonuclease
Synonym for deoxyribonuclease I ... <enzyme> An enzyme capable of hydrolyzing highly polymerised DNA by splitting phosphodiester linkages, preferentially adjacent to a pyrimidine nucleotide. This catalyses endonucleolytic cleavage of DNA yielding 5'-phosphodi- and oligonucleotide end-products. The enzyme has a preference for double-stranded DN …

thymopentin
<chemical> N-(n-(n-(n2-l-arginyl-l-lysyl)-l-alpha-aspartyl)-l-valyl)-l-tyrosine. Synthetic pentapeptide corresponding to the amino acids 32-36 of thymopoietin and exhibiting the full biological activity of the natural hormone. It is an immunomodulator which has been studied for possible use in the treatment of rheumatoid arthritis, aids, and …

thymopoietin
Formerly called thymin; a polypeptide hormone that induces differentiation of lymphocytes to thymocytes. ... See: thymic lymphopoietic factor. ... (05 Mar 2000) ...

thymopoietins
Two closely related polypeptides (molecular weight 7,000) isolated from the thymus gland. These hormones induce the differentiation of prothymocytes to thymocytes within the thymus. They also cause a delayed impairment of neuromuscular transmission in vivo and are therefore believed to be the agent responsible for myasthenia gravis. ... (12 Dec 1998 …

thymoprival
Thymoprivicthymoprivous ... Relating to or marked by premature atrophy or removal of the thymus. ... Origin: thymus + L. Privus, deprived of ... (05 Mar 2000) ...

thymosin
<biochemistry> Peptide (28 amino acids) that restores aspects of immune function in vivo and in vitro. Possibly a thymic hormone. ... (18 Nov 1997) ...

thymosin _ 4
Small protein (5 kD: 43 residues) found in large amounts in many vertebrate cells (approximately 0.2 mM in neutrophils) and that binds G actin thereby inhibiting polymerisation. ... (18 Nov 1997) ...

thymoxamine
Synonym for moxisylyte ... <chemical> (2-(4-acetoxy-2-isopropyl-5-methylphenoxy)ethyl)dimethylamine. An alpha-adrenergic blocking agent that is used in raynaud's disease. It is also used locally in the eye to reverse the mydriasis caused by phenylephrine and other sympathomimetic agents. ... Pharmacological action: adrenergic alpha-antagonists, …

thymus
<anatomy> The lymphoid organ in which T lymphocytes are educated, mature and multiply. It is composed of stroma (thymic epithelium) and lymphocytes, almost entirely of the T-cell lineage. In mammals the thymus is just anterior to the heart within the rib cage, in other vertebrates in rather undefined regions of the neck or within the gill cha …

thymus derived lymphocyte
Synonym for T-cell ... <haematology, immunology> A class of lymphocytes, so called because they are derived from the thymus and have been through thymic processing. Involved primarily in controlling cell-mediated immune reactions and in the control of B-cell development. The T-cells coordinate the immune system by secreting lymphokine hormones …

thymus extracts
Extracts of the thymus that contain specific, but uncharacterised factors or proteins with specific activities; three distinct substances are already known: thymotoxin, thymin and thymosin. ... (12 Dec 1998) ...

thymus gland
A bilaterally symmetric lymphoid organ situated in the anterior superior mediastinum. Each of its two lobes consists of an outer zone, the cortex, relatively rich in lymphocytes (thymocytes), and an inner zone, the medulla, relatively rich in epithelial cells. The thymus is the site of the production of T-lymphocytes. The thymus reaches its maximal …

thymus hormones
Humoral factors secreted by the thymus gland. They participate in the development of the lymphoid system and the maturation of the cellular immune response. ... (12 Dec 1998) ...

thymus hyperplasia
Enlargement of the thymus. A condition described in the late 1940's and 1950's as pathological thymic hypertrophy was status thymolymphaticus and was treated with radiotherapy. Unnecessary removal of the thymus was also practiced. It later became apparent that the thymus undergoes normal physiological hypertrophy, reaching a maximum at puberty and …

thymus treatment
Treatment of disease by administration of extracts of thymus gland. ... (05 Mar 2000) ...

thymus-dependent zone
Synonym for paracortex ... <anatomy> Mid cortical region of lymph node, area that is particularly depleted of T lymphocytes in thymectomised animals and is referred to as the thymus dependent area. ... (18 Nov 1997) ...

thymus-independent antigen
An antigen that does not require T helper cell activation in order for the host's B-cells to be stimulated. Repeating polymers such as polysaccharides are examples of T-independent antigens. ... (05 Mar 2000) ...

thyro-
<anatomy, prefix> A combining form used in anatomy to indicate connection with, or relation to, the thyroid body or the thyroid cartilage; as, thyrohyal. ... (29 Oct 1998) ...

thyroacetic acid
A degradation product of thyronine (alanine side chain reduced to acetic acid), itself a degradation product (or precursor) of thyroxine. ... (05 Mar 2000) ...

thyroadenitis
Synonym: thyroiditis. ... Origin: thyro-+ G. Aden, gland, + -itis, inflammation ... (05 Mar 2000) ...

thyroaplasia
Anomalies observed in individuals with congenital defects of the thyroid gland and deficiency of its secretion. ... Origin: thyro-+ G. A-priv. + plasis, a molding ... (05 Mar 2000) ...

thyroarytenoid
<anatomy> Of or pertaining to both the thyroid and arytenoid cartilages of the larynx. ... <muscle> Origin, inner surface of thyroid cartilage; insertion, muscular process and outer surface of arytenoid; action, decreases tension on (relaxes) vocal cords lowering the pitch of the voice tone; nerve supply, recurrent laryngeal. ... Synonym: …

thyrocalcitonin
Synonym for calcitonin ... <protein> A polypeptide hormone produced by C cells of the thyroid that causes a reduction of calcium ions in the blood. ... (18 Nov 1997) ...

thyrocardiac
Affecting the heart as a result of hypo-or hyperthyroidism. ... (05 Mar 2000) ...

thyrocardiac disease
Heart disease resulting from hyperthyroidism. ... (05 Mar 2000) ...

thyrocele
A tumour of the thyroid gland, such as a goiter. ... Origin: thyro-+ G. Kele, tumour ... (05 Mar 2000) ...

thyrocervical
Relating to the thyroid gland and the neck, denoting an arterial trunk. ... (05 Mar 2000) ...

thyrocervical trunk
A short arterial trunk arising from the subclavian artery, giving rise to the suprascapular (which may instead arise directly from the subclavian artery) and terminating by dividing into the ascending cervical and inferior thyroid arteries. ... Synonym: truncus thyrocervicalis, thyroid axis. ... (05 Mar 2000) ...