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

trypsin
<enzyme> Serine protease from the pancreas of vertebrates. Cleaves peptide bonds involving the amino groups of lysine or arginine. ... (18 Nov 1997) ...

trypsin G-banding stain
Synonym for G-banding stain ... <technique> A unique chromosome staining technique, used in human cytogenetics to identify individual chromosomes, which produces characteristic bands. ... It utilises acetic acid fixation, air drying, denaturing chromosomes mildly with proteolytic enzymes, salts, heat, detergents, or urea, and finally Giemsa sta …

trypsin inhibitor
A peptide hydrolyzed off trypsinogen under the catalytic influence of enteropeptidase, with trypsin produced as a result; so called because the peptide masks or inhibits the active site of the trypsin molecule, one of the polypeptides, from various sources (e.g., human and bovine colostrum, soybeans, egg white), that inhibit the action of trypsin.< …

trypsin inhibitor, kazal pancreatic
<chemical> A pancreatic trypsin inhibitor common to all mammals. It is secreted with the zymogens into the pancreatic juice. It is a protein composed of 56 amino acid residues and is different in amino acid composition and physiological activity from the kunitz bovine pancreatic trypsin inhibitor (aprotinin). ... Chemical name: Trypsin inhibit …

trypsin inhibitor, kunitz soybean
<chemical> A high-molecular-weight protein (approximately 22,500) containing 198 amino acid residues. It is a strong inhibitor of trypsin and human plasmin. ... Pharmacological action: trypsin inhibitors. ... Chemical name: Trypsin inhibitor, Kunitz soybean ... (12 Dec 1998) ...

trypsin inhibitors
Serine proteinase inhibitors which inhibit trypsin. They may be endogenous or exogenous compounds. ... (12 Dec 1998) ...

tryptamine
3-(2-Aminoethyl)indole;a decarboxylation product of l-tryptophan that occurs in plants and certain foods (e.g., cheese). It raises the blood pressure through vasoconstrictor action, by the release of norepinephrine at postganglionic sympathetic nerve endings, and is believed to be one of the agents responsible for hypertensive episodes following th …

tryptamine-strophanthidin
A semisynthetic cardiac glycoside that is a condensation product of strophanthidin and tryptamine; given orally, it has a rapid onset and short duration of cardiac action. ... (05 Mar 2000) ...

tryptase
<enzyme> Isolated from mouse; prior to 1993 tryptase was indexed as tosylarginine methyl ester hydrolase ... Pharmacological action: inflammation mediators, mitogens ... Registry number: EC 3.4.21.59 ... Synonym: mast cell tryptase 2, mmcp-7, human mast cell tryptase, mast cell protease 7, mast cell tryptase, granzyme k ... (26 Jun 1999) ...

tryptonaemia
The presence of tryptone in the circulating blood. ... (05 Mar 2000) ...

tryptophan
<amino acid> One of the 20 amino acids found in proteins. Essential dietary component in humans. Precursor of nicotinamide. ... (18 Nov 1997) ...

tryptophan 2-methyltransferase
<enzyme> From streptomyces laurentii; catalyses the transfer of a methyl group from s-adenosylmethionine to the c-2 carbon of tryptophan resulting in alpha-methyltryptophan; involved in the biosynthesis of thiostrepton ... Registry number: EC 2.1.1.- ... Synonym: s-adenosylmethionine-tryptophan 2-methyltransferase ... (26 Jun 1999) ...

tryptophan 2-monooxygenase
<enzyme> Forms indole-3-acetamide ... Registry number: EC 1.13.12.3 ... (26 Jun 1999) ...

tryptophan 2,3-dioxygenase
An oxidoreductase catalyzing the reaction of l-tryptophan and O2 to produce l-N-formylkynurenine; an adaptive enzyme, the level (in the liver) being controlled by adrenal hormones; a step in tryptophan catabolism; also, a step in the synthesis of NAD+ from tryptophan. ... Synonym: pyrrolase, tryptophan oxygenase, tryptophan pyrrolase, tryptophanase. …

tryptophan C-methyltransferase
<enzyme> Catalyses transfer of methyl group from s-adenosylmethionine to c-3 of tryptophan resulting in beta-methyltryptophan; involved in streptonigrin biosynthesis ... Registry number: EC 2.1.1.- ... (26 Jun 1999) ...

tryptophan decarboxylase
Synonym for aromatic d-amino-acid decarboxylase ... <enzyme> An enzyme that catalyses the decarboxylation of l-dopa to dopamine, of l-tryptophan to tryptamine, and of l-hydroxytryptophan to serotonin; important in the biosynthetic pathway of catecholamines and melanin. ... Synonym: dopa decarboxylase, hydroxytryptophan decarboxylase, tryptophan …

tryptophan desmolase
Synonym for tryptophan synthase ... <enzyme> An enzyme that catalyses the conversion of l-serine and 1-(indol-3-yl)glycerol 3-phosphate to l-tryptophan and glyceraldehyde 3-phosphate. It is a pyridoxal phosphate protein that also catalyses the conversion of serine and indole into tryptophan and water and of indoleglycerol phosphate into indole …

tryptophan hydroxylase
<enzyme> An enzyme that catalyses the hydroxylation of tryptophan to 5-hydroxytryptophan in the presence of NADPH and molecular oxygen. It is important in the biosynthesis of serotonin. ... Chemical name: L-tryptophan,tetrahydropteridine:oxygen oxidoreductase (5-hydroxylating) ... Registry number: EC 1.14.16.4 ... (12 Dec 1998) ...

tryptophan oxygenase
<enzyme> A protohemoprotein. Forms formylkynurenine from l-tryptophan and molecular oxygen. ... Chemical name: L-Tryptophan:oxygen 2,3-oxidoreductase (decyclizing) ... Registry number: EC 1.13.11.11 ... (12 Dec 1998) ...

tryptophan pyrrolase
Synonym for tryptophan 2,3-dioxygenase ... An oxidoreductase catalyzing the reaction of l-tryptophan and O2 to produce l-N-formylkynurenine; an adaptive enzyme, the level (in the liver) being controlled by adrenal hormones; a step in tryptophan catabolism; also, a step in the synthesis of NAD+ from tryptophan. ... Synonym: pyrrolase, tryptophan oxyge …

tryptophan synthase
<enzyme> An enzyme that catalyses the conversion of l-serine and 1-(indol-3-yl)glycerol 3-phosphate to l-tryptophan and glyceraldehyde 3-phosphate. It is a pyridoxal phosphate protein that also catalyses the conversion of serine and indole into tryptophan and water and of indoleglycerol phosphate into indole and glyceraldehyde phosphate. ... C …

tryptophan synthetase
Synonym for tryptophan synthase ... <enzyme> An enzyme that catalyses the conversion of l-serine and 1-(indol-3-yl)glycerol 3-phosphate to l-tryptophan and glyceraldehyde 3-phosphate. It is a pyridoxal phosphate protein that also catalyses the conversion of serine and indole into tryptophan and water and of indoleglycerol phosphate into indole …

tryptophan-tRNA ligase
<enzyme> An enzyme that activates tryptophan with its specific transfer RNA. ... Chemical name: L-Tryptophan:tRNA(Trp) ligase (AMP-forming) ... Registry number: EC 6.1.1.2 ... (12 Dec 1998) ...

tryptophanase
<enzyme> An enzyme that catalyses the conversion of l-tryptophan and water to indole, pyruvate, and ammonia. It is a pyridoxal-phosphate protein, requiring k+. It also catalyses 2,3-elimination and beta-replacement reactions of some indole-substituted tryptophan analogs of l-cysteine, l-serine, and other 3-substituted amino acids. ... Chemical …

tryptophanuria
Enhanced urinary excretion of tryptophan. ... Tryptophanuria with dwarfism, a syndrome of dwarfism, mental defect, cutaneous photosensitivity, and gait disturbance associated with tryptophanuria; autosomal recessive inheritance. ... (05 Mar 2000) ...

tryst
1. Trust. ... 2. An appointment to meet; also, an appointed place or time of meeting; as, to keep tryst; to break tryst. To bide tryst, to wait, at the appointed time, for one with whom a tryst or engagement is made; to keep an engagement or appointment. 'The tenderest-hearted maid That ever bided tryst at village stile.' (Tennyson) ... Origin: OE. T …

tsetse flies
Bloodsucking flies of the genus glossina, found primarily in equatorial africa. Several species are intermediate hosts of trypanosomes. ... (12 Dec 1998) ...

TSH
Synonym for thyroid stimulating hormone ... <endocrinology> Polypeptide hormone (28 kD), secreted by the anterior pituitary gland, that activates cyclic AMP production in thyroid cells leading to production and release of the thyroid hormones (T4 and T3). T4 and T3 blood levels feedback on the pituitary gland and decrease thyroid stimulating h …

TSH releasing factor
<endocrinology> A tripeptide produced by the hypothalamus that stimulates the anterior pituitary to release TSH. ... (18 Nov 1997) ...

TSH-RF
<abbreviation> Thyroid-stimulating hormone-releasing factor. ... (05 Mar 2000) ...

TSI
Stands for Thyroid Stimulating Immunoglobulin. The tsi level is abnormally high in persons with hyperthyroidism (too much thyroid hormone) due to graves' disease. Thyroid hormones are essential for the function of every cell in the body. They help regulate growth and the rate of chemical reactions (metabolism) in the body. ... (12 Dec 1998) ...

TSP
See Total suspended particulates. ... (05 Dec 1998) ...

TSS
<abbreviation> Toxic shock syndrome. ... (05 Mar 2000) ...

TSTA
<abbreviation> Tumour-specific transplantation antigens. ... (05 Mar 2000) ...

tsutsugamushi disease
See Typhus, scrub. ... (12 Dec 1998) ...

tsutsugamushi fever
Synonym for tsutsugamushi disease ... See Typhus, scrub. ... (12 Dec 1998) ...

TTK kinase
<enzyme> Can phosphorylate serine, threonine and tyrosine hydroxyamino acids and is associated with cell proliferation; amino acid sequence given in first source ... Registry number: EC 2.7.10.- ... (26 Jun 1999) ...

TTP
<abbreviation> Ribothymidine 5'-triphosphate. ... (05 Mar 2000) ...

TTP-HUS
<abbreviation> Thrombotic thrombocytopenic purpura and haemolytic uraemic syndrome. ... See: thrombotic thrombocytopenic purpura, haemolytic uraemic syndrome. ... (05 Mar 2000) ...

TTX
<abbreviation> Tetrodotoxin. ... (05 Mar 2000) ...

TU
<abbreviation> Toxic unit or toxin unit. ... (05 Mar 2000) ...

tuaminoheptane
2-Aminoheptane;a sympathomimetic volatile amine, used by inhalation as a nasal decongestant; available also as tuaminoheptane sulfate, with the same actions, and more potent as a vasoconstrictor than ephedrine. ... (05 Mar 2000) ...

tub
To plant or set in a tub; as, to tub a plant. ... Origin: Tubbed; Tubbing. ... 1. An open wooden vessel formed with staves, bottom, and hoops; a kind of short cask, half barrel, or firkin, usually with but one head, used for various purposes. ... 2. The amount which a tub contains, as a measure of quantity; as, a tub of butter; a tub of camphor, which …

tuba
Synonym: tube. ... Origin: L. A straight trumpet ... (05 Mar 2000) ...

tuba acustica
Synonym for auditory tube ... A tube leading from the tympanic cavity to the nasopharynx; it consists of an osseous (posterolateral) portion at the tympanic end, and a fibrocartilaginous (anteromedial) portion at the pharyngeal end; where the two portions join, in the region of the sphenopetrosal fissure, is the narrowest portion of the tube (isthmu …

tuba auditiva
Synonym for auditory tube ... A tube leading from the tympanic cavity to the nasopharynx; it consists of an osseous (posterolateral) portion at the tympanic end, and a fibrocartilaginous (anteromedial) portion at the pharyngeal end; where the two portions join, in the region of the sphenopetrosal fissure, is the narrowest portion of the tube (isthmu …

tuba auditoria
An alternate term for auditory tube, auditory tube. ... (05 Mar 2000) ...

tuba eustachiana
Synonym for auditory tube ... A tube leading from the tympanic cavity to the nasopharynx; it consists of an osseous (posterolateral) portion at the tympanic end, and a fibrocartilaginous (anteromedial) portion at the pharyngeal end; where the two portions join, in the region of the sphenopetrosal fissure, is the narrowest portion of the tube (isthmu …

tuba fallopiana
Synonym for uterine tube ... One of the tubes leading on either side from the upper or outer extremity of the ovary, which is largely enveloped by its expanded infunclibulum, to the fundus of the uterus; it consists of infundibulum, ampulla, isthmus, and uterine parts. ... Synonym: salpinx uterina, tuba uterina, salpinx, fallopian tube, gonaduct, ovi …

tuba uterina
Synonym for uterine tube ... One of the tubes leading on either side from the upper or outer extremity of the ovary, which is largely enveloped by its expanded infunclibulum, to the fundus of the uterus; it consists of infundibulum, ampulla, isthmus, and uterine parts. ... Synonym: salpinx uterina, tuba uterina, salpinx, fallopian tube, gonaduct, ovi …

tubage
Introduction of a tube into a canal. ... See: intubation. ... (05 Mar 2000) ...

tubal
Relating to a tube, especially the uterine tube. ... (05 Mar 2000) ...

tubal abortion
The rupture of an oviduct, the seat of ectopic pregnancy, or extrusion of the product of conception through the fimbriated end of the oviduct; aborted ectopic pregnancy, the pregnancy having originated in the fallopian tubes. ... Synonym: aborted ectopic pregnancy. ... (05 Mar 2000) ...

tubal air cells
Occasional small air cells in the inferior wall of the auditory tube, near the tympanic orifice, communicating with the tympanic cavity. ... Synonym: cellulae pneumaticae tubae auditivae, air cells of auditory tube. ... (05 Mar 2000) ...

tubal branch
Branch to a tubular structure. ... Synonym: ramus tubarius. ... (05 Mar 2000) ...

tubal branch of the tympanic plexus
Sensory branch of tympanic plexus (of glossopharyngeal nerve) to auditory tube. ... Synonym: ramus tubarius plexus tympanici. ... (05 Mar 2000) ...

tubal branch of the uterine artery
<anatomy, artery> Terminal branch of uterine artery (with ovarian branch) supplying medial portion of uterine tube, anastomosing with tubal branch of ovarian artery. ... Synonym: ramus tubarius arteriae uterinae. ... (05 Mar 2000) ...

tubal cartilage
Synonym for cartilage of auditory tube ... Cartilage of auditory tube or of pharyngotympanic tube; tubal cartilage; the trough-shaped cartilage that forms the medial wall, roof, and part of the lateral wall of the auditory tube. ... Synonym: cartilago tubae auditivae, cartilage of pharyngotympanic tube, tubal cartilage. ... (05 Mar 2000) ...

tubal colic
Lower abdominal pain due to spasmodic contraction of the oviduct excited by a blood clot, other irritant, or the injection of gas or oil. ... (05 Mar 2000) ...

tubal dysmenorrhoea
A form of secondary dysmenorrhoea due to stenosis or other abnormal condition of the fallopian tubes. ... (05 Mar 2000) ...

tubal extremity of ovary
The rounded lateral end of the ovary, usually directed toward the infundibulum of the uterine tube. ... Synonym: extremitas tubaria ovarii, lateral pole. ... (05 Mar 2000) ...

tubal folds of uterine tubes
Many longitudinal folds in the mucous membrane of the uterine (fallopian) tube. ... Synonym: plicae tubariae tubae uterinae. ... (05 Mar 2000) ...

tubal infantilism
A term descriptive of a corkscrew-like fallopian tube as seen in foetal life. ... (05 Mar 2000) ...

tubal ligation
<gynaecology, procedure> A surgical procedure that involves ligation (closure) of the fallopian tubes to prevent an unfertilized egg from reaching the uterus. ... A method of sterilisation. Believed to have better than 99% effectiveness. This surgery can be performed through a laparoscope, using a small abdominal incision to allow passage of t …

tubal pregnancy
<obstetrics> An ectopic pregnancy that involves the development of the embryo within the fallopian tube. ... This can result in a surgical emergency when the developing embryo reaches a critical size. ... (27 Sep 1997) ...

tubal prominence
Synonym for torus tubarius ... A ridge in the naso-pharyngeal wall posterior to the opening of the auditory (eustachian) tube, caused by the projection of the cartilaginous portion of this tube. ... Synonym: eustachian cushion, tubal prominence. ... (05 Mar 2000) ...

tubal tonsil
A collection of lymphoid nodules near the pharyngeal opening of the auditory tube. ... Synonym: tonsilla tubaria, eustachian tonsil, Gerlach's tonsil. ... (05 Mar 2000) ...

tubatorsion
Synonym for tubotorsion ... Twisting of a tubular structure, such as an oviduct. ... Synonym: tubatorsion. ... Origin: tubo-+ L. Torsio, torsion ... (05 Mar 2000) ...

tubba
Synonym for foot yaws ... <dermatology> Yaws of the feet with keratoderma of the palms and soles and ulcer formation. ... Synonym: crab yaws, dumas, tubba, tubbae. ... (05 Mar 2000) ...

tube
An elongated hollow cylindrical organ or instrument. ... Origin: L. Tubus ... (18 Nov 1997) ...

tube cast
Synonym for renal cast ... Any type of cast formed in a renal tubule, and found in the urine consisting of various materials, e.g., albumin, cells, blood. ... Synonym: tube cast. ... (05 Mar 2000) ...

tube curare
(curare stored in bamboo tubes), curare from Chondodendron sp.; not highly poisonous; contains the alkaloid tubocurarine. ... (05 Mar 2000) ...

tube teeth
Artificial teeth constructed with a vertical, cylindric aperture extending from the centre of the base up into the body of the tooth into which a pin may be placed or cast for the attachment of the tooth to a denture base. ... (05 Mar 2000) ...

tubectomy
Synonym: salpingectomy. ... Origin: L. Tuba, tube, + G. Ektome, excision ... (05 Mar 2000) ...

tubed flap
A flap in which the sides of the pedicle are sutured together to create a tube, with the entire surface covered by skin. ... Synonym: Filatov flap, Filatov-Gillies flap, Filatov-Gillies tubed pedicle, rope flap, tubed pedicle flap. ... (05 Mar 2000) ...

tubed pedicle flap
Synonym for tubed flap ... A flap in which the sides of the pedicle are sutured together to create a tube, with the entire surface covered by skin. ... Synonym: Filatov flap, Filatov-Gillies flap, Filatov-Gillies tubed pedicle, rope flap, tubed pedicle flap. ... (05 Mar 2000) ...

tubelength mechanical
<microscopy> This distance is measured from where the objective screws on to where the eyepiece fits in. The American standard mechanical tubelength is 160 mm. For Leitz objectives it was once 170 mm. ... (05 Aug 1998) ...

tubelength optical
<microscopy> This distance is measured from the upper focal plane of the objective to the image formed by the objective alone upon removal of the eyepiece. A light microscope so arranged that the specimen, usually a solid-liquid colloid or suspension, is illuminated by a strong pencil of light at right angles to the microscope axis. The visib …

tuber
A starchy storage organ (such as a potato) formed by swelling of an underground stem or the distal end of a root. ... (09 Oct 1997) ...

tuber anterius
Synonym for tuber cinereum ... Layer of gray matter in the hypothalamus that also forms part of the floor of the third ventricle. ... (12 Dec 1998) ...

tuber calcanei
Synonym for calcaneal tuberosity ... The posterior extremity of the calcaneus, or os calcis, forming the projection of the heel. ... Synonym: tuber calcanei, calcaneal tuber, tuber calcis. ... (05 Mar 2000) ...

tuber calcis
Synonym for calcaneal tuberosity ... The posterior extremity of the calcaneus, or os calcis, forming the projection of the heel. ... Synonym: tuber calcanei, calcaneal tuber, tuber calcis. ... (05 Mar 2000) ...

tuber cinereum
Layer of gray matter in the hypothalamus that also forms part of the floor of the third ventricle. ... (12 Dec 1998) ...

tuber cochleae
Synonym for promontory of tympanic cavity ... A rounded eminence on the labyrinthine wall of the middle ear, caused by the first coil of the cochlea. ... Synonym: promontorium cavi tympani, tuber cochleae, tympanic promontory. ... (05 Mar 2000) ...

tuber corporis callosi
Synonym for splenium corporis callosi ... splenium of corpus callosum ...

tuber dorsale
Synonym for tuber vermis ... The posterior division of the inferior vermis of the cerebellum located between the folium and the pyramis. ... Synonym: tuber dorsale, tuber of vermis, tuber valvulae. ... (05 Mar 2000) ...

tuber frontale
Synonym for frontal eminence ... The most prominent portion of the frontal bone on either side. ... Synonym: tuber frontale, eminentia frontalis, frontal tuber. ... (05 Mar 2000) ...

tuber ischiadicum
Synonym for ischial tuberosity ... The rough bony projection at the junction of the lower end of the body of the ischium and its ramus; this is a weight-bearing point in the sitting position; provides attachment for the sacrotuberous ligament and is the site of origin of the hamstring muscles. ... Synonym: tuber ischiadicum, tuber of ischium. ... (05 …

tuber maxillae
Synonym for maxillary tuberosity ... The bulging lower extremity of the posterior surface of the body of the maxilla, behind the root of the last molar tooth. ... Synonym: tuber maxillae, eminentia maxillae, maxillary eminence. ... (05 Mar 2000) ...

tuber of ischium
Synonym for ischial tuberosity ... The rough bony projection at the junction of the lower end of the body of the ischium and its ramus; this is a weight-bearing point in the sitting position; provides attachment for the sacrotuberous ligament and is the site of origin of the hamstring muscles. ... Synonym: tuber ischiadicum, tuber of ischium. ... (05 …

tuber of vermis
Synonym for tuber vermis ... The posterior division of the inferior vermis of the cerebellum located between the folium and the pyramis. ... Synonym: tuber dorsale, tuber of vermis, tuber valvulae. ... (05 Mar 2000) ...

tuber omentale
An eminence on the visceral surface of the left hepatic lobe to the left of the fossa for the ductus venosus, a bulge on the anterior surface of the body of the pancreas to the left of the superior mesenteric vessels. ... Synonym: omental tuber. ... (05 Mar 2000) ...

tuber parietale
Synonym for parietal eminence ... A prominent portion of the parietal bone, a little above the centre of its external surface, usually corresponding to the point of maximum width of the head. ... Synonym: tuber parietale, eminentia parietalis, parietal tuber. ... (05 Mar 2000) ...

tuber radii
Synonym for radial tuberosity ... An oval projection from the medial surface of the radius just distal to the neck, giving attachment on its posterior half to the tendon of the biceps. ... Synonym: tuberositas radii, bicipital tuberosity, tuber radii, tuberosity of radius. ... (05 Mar 2000) ...

tuber valvulae
Synonym for tuber vermis ... The posterior division of the inferior vermis of the cerebellum located between the folium and the pyramis. ... Synonym: tuber dorsale, tuber of vermis, tuber valvulae. ... (05 Mar 2000) ...

tuber vermis
The posterior division of the inferior vermis of the cerebellum located between the folium and the pyramis. ... Synonym: tuber dorsale, tuber of vermis, tuber valvulae. ... (05 Mar 2000) ...

tuber zygomaticum
Synonym for articular tubercle of temporal bone ... Articular eminence of the temporal bone which bounds the mandibular fossa anteriorly; it forms the anterior root of the zygomatic process; it is enclosed by the articular capsule of the temporomandibular joint with the articular fossa; the head of the mandible (and intervening articular disc) move …

tuberal nuclei
Two or three small, encapsulated, round or ovoid clusters of cells in the lateral hypothalamic area along the surface of the tuber cinereum; their connections and functional significance are unknown. ... Synonym: nuclei tuberales, lateral tuberal nuclei. ... (05 Mar 2000) ...

tubercidin
<chemical> An antibiotic purine ribonucleoside that readily substitutes for adenosine in the biological system, but its incorporation into DNA and RNA has an inhibitory effect on the metabolism of these nucleic acids. ... Pharmacological action: antibiotics, antineoplastic, antimetabolites, antimetabolites, antineoplastic. ... Chemical name: 7H …

tubercle
<microbiology> Chronic inflammatory focus, a granuloma, caused by Mycobacterium tuberculosis. ... (18 Nov 1997) ...