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 The information may have been taken offline because it is outdated.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

pyramis renalis
Synonym for renal pyramid ... One of a number of pyramidal masses seen on longitudinal section of the kidney; collectively, they constitute the renal medulla, and contain part of the secreting tubules and the collecting tubules. ... Synonym: pyramis renalis, malpighian pyramid, medullary pyramid. ... (05 Mar 2000) ...

pyramis tympani
Synonym for eminentia pyramidalis ... A conical projection posterior to the vestibular window in the middle ear; it is hollow and contains the stapedius muscle. ... Synonym: pyramid of tympanum, pyramidal eminence, pyramis tympani. ... (05 Mar 2000) ...

pyramis vermis
Synonym for pyramid of vermis ... A subdivision of the inferior vermis of the cerebellum between the tuber and the uvula. ... Synonym: pyramis vermis, cerebellar pyramid. ... Pyramid of vestibule, the upper triangular extremity of the crista vestibuli. ... Synonym: pyramis vestibuli. ... (05 Mar 2000) ...

pyramis vestibuli
pyramid of vestibule ...

pyran
A cyclic compound that may be considered the formal parent of sugars with an oxygen bridge from carbon atoms 1 to 5 (the pyranoses). ... (05 Mar 2000) ...

pyran copolymer
<chemical> 2,5-furandione polymer with 1,1'-oxybis(ethene). Copolymer of divinyl ether and maleic anhydride that is acts as an immunostimulant with antineoplastic and anti-infective properties. It is used also in combination with other antineoplastic agent. ... Pharmacological action: antineoplastic agent, antiviral agents, interferon inducers …

pyranone
Synonym for pyrone ... A keto derivative of pyran. ... Synonym: pyranone. ... (05 Mar 2000) ...

pyranose
<chemical> Sugar structure in which the carbonyl carbon is condensed with a hydroxyl group (i.e. In a hemi acetal link), forming a ring of five carbons and one oxygen. most hexoses exist in this form, although in sucrose, fructose is found with the smaller (four carbon) furanose ring. ... (18 Nov 1997) ...

pyranose ring
<chemistry> A six-membered cyclic haemiacetal or ketal. ... (09 Jan 1998) ...

pyranosone dehydratase
<enzyme> From phanerochaete chrysosporium; acts on several osones (glycosuloses) with the preferred substrate being d-glucosone which was converted by the enzyme to cortalcerone; the pyranose form of glucosone undergoes two enzymatic dehydrations to give cortalcerone on spontaneous cyclization ... Registry number: EC 4.2.1.- ... Synonym: aldos- …

pyrantel
<chemical> A depolarising neuromuscular-blocking agent, that causes persistent nicotinic activation resulting in spastic paralysis of susceptible nematodes. It is a drug of second-choice after benzimidazoles for treatment of ascariasis, hookworm, and pinworm infections, being effective after a single dose. ... Pharmacological action: antinemat …

pyrantel pamoate
<chemical> Broad spectrum antinematodal anthelmintic used also in veterinary medicine. ... Pharmacological action: antinematodal agent. ... Chemical name: 2-Naphthalenecarboxylic acid, 4,4'-methylenebis(3-hydroxy-, compd. With (E)-1,4,5,6-tetrahydro-1-methyl-2-(2-(2-thienyl)ethenyl)pyrimidine (1:1) ... (12 Dec 1998) ...

pyrantel tartrate
<chemical> (e)-1,4,5,6-tetrahydro-1-methyl-2-[2-(2-thienyl)vinyl]pyrimidine tartrate (1:1). Broad spectrum anthelmintic for livestock. Synonym: banminth. ... Pharmacological action: anthelmintic, antinematodal agent. ... Chemical name: Pyrimidine, 1,4,5,6-tetrahydro-1-methyl-2-(2-(2-thienyl)ethenyl)-, (E)-, (R-(R*,R*))-2,3-dihydroxybutanedioate …

pyrathiazine hydrochloride
10-[2-(1-Pyrrolidyl)ethyl]phenolthiazine hydrochloride;an antihistaminic. ... (05 Mar 2000) ...

pyrazinamide
<chemical> A pyrazine that is used therapeutically as an antitubercular agent. ... Pharmacological action: antitubercular agents. ... Chemical name: Pyrazinecarboxamide ... (12 Dec 1998) ...

pyrazinamide deamidase
<enzyme> Pyrazinamide forms pyrazinoic acid and ammonia ... Registry number: EC 3.5.1.- ... Synonym: pyrazinamidase, pnca gene product ... (26 Jun 1999) ...

pyrazolone
A class of non-steroidal anti-inflammatory agents used in the treatment of arthritic conditions; e.g., phenylbutazone. ... (05 Mar 2000) ...

pyrectic
Synonym for febrile ... <symptom> Pertaining to or characterised by fever. ... Origin: L. Febrilis ... (18 Nov 1997) ...

pyrenaemia
A condition characterised by the presence of nucleated red blood cells. ... Origin: G. Pyren, the pit of a fruit, + haima, blood ... (05 Mar 2000) ...

pyrene
<botany> The 'stone' (endocarp plus seed) of a succulent fruit. ... Compare: berry, drupe. ... (09 Oct 1997) ...

pyrenes
<chemical> A group of condensed ring hydrocarbons. ... Pharmacological action: carcinogens. ... (12 Dec 1998) ...

Pyrenochaeta romeroi
One of the numerous species of true fungi capable of causing mycetoma in humans. ... (05 Mar 2000) ...

pyrenoid
<plant biology> Small body found within some chloroplasts, that may contain protein. In green algae may be involved in starch synthesis. ... (18 Nov 1997) ...

pyrethrins
<chemical> The active insecticidal constituent of pyrethrum flowers. Pyrethrin I is the pyretholone ester of chrysanthemummonocarboxylic acid and pyrethrin II is the pyretholone ester of chrysanthemumdicarboxylic acid monomethyl ester. ... Pharmacological action: insecticide, botanical. ... (12 Dec 1998) ...

pyrethroids
Synthetic pyrethrin derivatives that are used as insecticides; as a class these agents are less toxic to mammals than are other effective insecticides. ... (05 Mar 2000) ...

pyrethrolone
2-Methyl-4-oxo-3-(2,4-pentanedienyl)-2-cyclopentenol, a constituent of the pyrethrins. ... (05 Mar 2000) ...

pyrethrum
<plant biology> A natural insecticide that is extracted from chrysanthemums. It is atoxic, nonvolatile hydrocarbon related to kerosene. ... (09 Oct 1997) ...

pyreto-
Fever. ... See: pyr-, pyro-. ... Origin: G. Pyretos, fever, fr. Pyr, fire ... (05 Mar 2000) ...

pyretogen
Rarely used term for pyrogen. ... Origin: pyreto-+ G. -gen, producing ... (05 Mar 2000) ...

pyretogenesis
Rarely used term for the origin and mode of production of fever. ... Origin: pyreto-+ G. Genesis, origin ... (05 Mar 2000) ...

pyretogenetic
Synonym for pyrogenic ... <physiology> Fever inducing. ... Origin: Gr. Gennan = to produce ... (18 Nov 1997) ...

pyretogenous
1. Causing fever. ... Synonym: pyrogenic. ... (05 Mar 2000) ...

pyretotherapy
1. Obsolete synonym for pyrotherapy. ... 2. Treatment of fever. ... Synonym: artificial fever, induced fever. ... Origin: pyreto-+ G. Therapeia, treatment ... (05 Mar 2000) ...

pyrexia
<clinical sign> A fever or a febrile condition, abnormal elevation of the body temperature. ... Origin: Gr. Pyressein = to be feverish ... (06 Oct 1997) ...

pyrexial
Relating to fever. ... (05 Mar 2000) ...

pyrexiophobia
<psychology> Morbid fear of fever. ... Origin: G. Pyrexis, feverishness, + phobos, fear ... (05 Mar 2000) ...

pyribenzyl methyl sulfate
Synonym for bevonium methyl sulfate ... 2-(hydroxymethyl)-1,1-dimethylpiperidinium methyl sulfate benzylate;an anticholinergic agent. ... Synonym: pyribenzyl methyl sulfate. ... (05 Mar 2000) ...

pyridine
<physiology> A nitrogenous base, C5H5N, obtained from the distillation of bone oil or coal tar, and by the decomposition of certain alkaloids, as a colourless liquid with a peculiar pungent odour. It is the nucleus of a large number of organic substances, among which several vegetable alkaloids, as nicotine and certain of the ptomaines, may b …

pyridinolcarbamate
<chemical> A drug that has been given by mouth in the treatment of atherosclerosis and other vascular disorders, hyperlipidemias, and thrombo-emoblytic disorders. ... Pharmacological action: antilipaemic agents, fibrinolytic agent. ... Chemical name: 2,6-Pyridinedimethanol, bis(methylcarbamate) (ester) ... (12 Dec 1998) ...

pyridofylline
7-(2-Hydroxyethyl)theophylline hydrogen sulfate compound with pyridoxol; a coronary vasodilator. ... (05 Mar 2000) ...

pyridones
Pyridine derivatives with one or more keto groups on the ring. ... (12 Dec 1998) ...

pyridostigmine bromide
<chemical> A cholinesterase inhibitor with a slightly longer duration of action than neostigmine. It is used in the treatment of myasthenia gravis and to reverse the actions of muscle relaxants. ... Pharmacological action: cholinesterase inhibitor, parasympathomimetic. ... Chemical name: Pyridinium, 3-(((dimethylamino)carbonyl)oxy)-1-methyl-, b …

pyridoxal
<chemical> 3-hydroxy-5-(hydroxymethyl)-2-methyl-4- pyridinecarboxaldehyde. ... Chemical name: 4-Pyridinecarboxaldehyde, 3-hydroxy-5-(hydroxymethyl)-2-methyl- ... (12 Dec 1998) ...

pyridoxal kinase
<enzyme> An enzyme that catalyses reversibly the phosphorylation of pyridoxal in the presence of ATP with the formation of pyridoxal 5-phosphate and ADP. Pyridoxine, pyridoxamine and various derivatives can also act as acceptors. ... Chemical name: ATP:pyridoxal 5-phosphotransferase ... Registry number: EC 2.7.1.35 ... (12 Dec 1998) ...

pyridoxal phosphate
<enzyme> The co-enzyme derivative of vitamin B6. Forms Schiff's bases of substrate amino acids during catalysis of transamination, decarboxylation and racemisation reactions. ... (18 Nov 1997) ...

pyridoxamine
<chemical> Chemical name: 3-Pyridinemethanol, 4-(aminomethyl)-5-hydroxy-6-methyl- ... (12 Dec 1998) ...

pyridoxaminephosphate oxidase
<enzyme> An oxidoreductase enzyme catalyzing the oxidative deamination of pyridoxamine 5'-phosphate (with O2 and H2O) to pyridoxal phosphate. It is a flavoprotein that also oxidises pyridoxine-5-phosphate and pyridoxine. ... Chemical name: Pyridoxamine 5'-phosphate:oxygen oxidoreductase (deaminating) ... Registry number: EC 1.4.3.5 ... (12 Dec 1 …

pyridoxic acid
<chemical> Chief metabolic product of pyridoxine, pyridoxal, and pyridoxamine in urine. ... Chemical name: 4-Pyridinecarboxylic acid, 3-hydroxy-5-(hydroxymethyl)-2-methyl- ... (12 Dec 1998) ...

pyridoxine
<biochemistry> Member of the water soluble B vitamin group. Vitamin B6 or pyridoxine, is active in the metabolism of proteins, carbohydrates and fats. It is also a necessary part of haemoglobin synthesis. B6 deficiency results in retarded growth and a peripheral neuropathy. ... (27 Sep 1997) ...

pyridoxine 4-dehydrogenase
<enzyme> Chemical name: dehydrogenase, pyridoxol 4- ... Registry number: EC 1.1.1.65 ... Synonym: pyridoxine phosphate dehydrogenase, pyridoxal reductase ... (26 Jun 1999) ...

pyridoxine deficiency
A nutritional condition produced by a deficiency of pyridoxine in the diet, characterised by dermatitis, glossitis, cheilosis, and stomatitis. Marked deficiency causes irritability, weakness, depression, dizziness, peripheral neuropathy, and seizures. In infants and children typical manifestations are diarrhoea, anaemia, and seizures. Increasingly …

pyridoxine dependency with seizure
An inherited disorder (autosomal recessive) apparently associated with deficient brain type I glutamate decarboxylase; seizures can be controlled with vitamin B6. ... (05 Mar 2000) ...

pyridoxine phosphate phosphatase
<enzyme> Involved in metabolism of vitamin b(6) ... Registry number: EC 3.1.3.- ... Synonym: pyridoxal phosphate phosphatase, pyridoxamine phosphate phosphatase, pyridoxal-p hydrolase, pyridoxamine-p hydrolase, vitamin b(6)-phosphate phosphatase ... (26 Jun 1999) ...

pyriform
<anatomy> Pear-shaped. ... (15 Dec 1997) ...

pyriform aperture wiring
A method of wiring using the nasal bones at the area of the pyriform aperture for the stabilization of fractures of the jaw. ... (05 Mar 2000) ...

pyriform apparatus
A pear-shaped structure within the eggshell of certain tapeworms (family Anoplocephalidae), of uncertain function. ... (05 Mar 2000) ...

pyrilamine
<chemical> A histamine h1 antagonist. It has mild hypnotic properties and some local anaesthetic action and is used for allergies (including skin eruptions) both parenterally and locally. It is a common ingredient of cold remedies. ... Pharmacological action: anti-allergic agents, histamine h1 antagonists. ... Chemical name: 1,2-Ethanediamine, …

pyrilamine maleate
2-[(2-dimethylaminoethyl) (p-methoxybenzyl)amino]pyridine maleate;an antihistaminic. ... Synonym: mepyramine maleate. ... (05 Mar 2000) ...

pyrimethamine
<drug> An oral antiprotozoa drug used in combination with sulphadiazine for toxoplasmosis. ... Possible side effects include severe allergic reactions and rashes, anaemia, leukopenia, thrombocytopenia, insomnia and diarrhoea. ... (15 Dec 1997) ...

pyrimidine
<biochemistry> A family of 6-membered heterocyclic compounds occurring in nature in a wide variety of forms. They are planar and aromatic in character and include several nucleic acid constituents (cytosine, thymine, and uracil) and form the basic structure of the barbiturates. ... It is the parent compound of the pyrimidine bases of nucleic a …

pyrimidine base
Synonym for pyrimidine ... <biochemistry> A family of 6-membered heterocyclic compounds occurring in nature in a wide variety of forms. They are planar and aromatic in character and include several nucleic acid constituents (cytosine, thymine, and uracil) and form the basic structure of the barbiturates. ... It is the parent compound of the pyr …

pyrimidine dimer
<biochemistry> A dimer product found in DNA chains damaged by ultraviolet irradiation. Most frequently thymidine dimers. ... They consist of two adjacent pyrimidine nucleotides, usually thymine nucleotides, in which the pyrimidine residues are covalently joined by a cyclobutane ring. These dimers stop DNA replication. ... (21 Jun 2000) ...

pyrimidine transferase
Synonym for thiamin pyridinylase ... <enzyme> An enzyme catalyzing transfer of a pyridine or other bases into the position of the pyrimidine in thiamin; e.g., thiamin reacting with pyridine produces heteropyrithiamin and 4-methyl-5-(2'-hydroxyethyl)-thiazole. ... Synonym: pyrimidine transferase, thiaminase I. ... (05 Mar 2000) ...

pyrimidine-nucleoside phosphorylase
<enzyme> Consider uridine phosphorylase and thymidine phosphorylase ... Registry number: EC 2.4.2.2 ... Synonym: pyrimidine nucleoside phosphorylase ... (26 Jun 1999) ...

pyrimidodiazepine synthase
<enzyme> Converts pyruvoyl-h4-pterin to pyrimidodiazepine by removal of a methyl group and reduction of a ketone group; requires glutathione ... Registry number: EC 1.2.4.- ... Synonym: pda synthase ... (26 Jun 1999) ...

pyrite
<chemistry> A name given to a number of common sulphur-containing metallic minerals, sulphides of iron, copper, cobalt, nickel, and tin, of a white or yellowish colour. ... The term was originally applied to the mineral pyrite, or iron pyrites, in allusion to its giving sparks when struck with steel. Arsenical pyrites, arsenopyrite. Auriferous …

pyrithiamin
A thiamin antimetabolite, differing from thiamin in that the thiazole ring of the thiamin molecule is replaced by a pyridine ring. ... Synonym: neopyrithiamin. ... (05 Mar 2000) ...

pyrithiamine
<chemical> A thiamine antagonist due to its inhibition of thiamine pyrophosphorylation. It is used to produce thiamine deficiency. ... Pharmacological action: antimetabolites. ... Chemical name: Pyridinium, 1-((4-amino-2-methyl-5-pyrimidinyl)methyl)-3-(2-hydroxyethyl)-2-methyl-, bromide, monohydrobromide ... (12 Dec 1998) ...

pyrithioxin
<chemical> 3,3'-(dithiodimethylene)bis[5-hydroxy-6-methyl-4-pyridinemethanol. Neurotropic agent. Reduces permeability of blood-brain barrier to phosphate. Has no vitamin b6 activity. ... Synonym: bonifen; encephabol ... Chemical name: 4-Pyridinemethanol, 3,3'-(dithiobis(methylene))bis(5-hydroxy-6-methyl- ... (12 Dec 1998) ...

pyro-
1. <prefix> A combining form denoting fire, heat, or fever. ... See: pyr-, pyreto-. ... 2. In chemistry, combining form denoting derivatives formed by removal of water (usually by heat) to form anhydrides. Abbreviation of pyrogallic acid. ... See: anhydro-. ... Origin: G. Pyr, fire ... (21 Jun 2000) ...

pyroboric acid
Synonym for tetraboric acid ... Perboric or pyroboric acid. ... Synonym: pyroboric acid. ... (05 Mar 2000) ...

pyrocalciferol
10a-Ergosta-5,7,22-trien-3b-ol; 9-alpha-lumisterol;a thermal decomposition product of calciferol. ... (05 Mar 2000) ...

pyrocatechase
Synonym for catechol 1,2-dioxygenase ... <enzyme> Little activity towards chlorinated substrates ... Registry number: EC 1.13.11.1 ... Synonym: pyrocatechase, catechol-1,2-oxygenase, pyrocatechol 1,2-dioxygenase ... (26 Jun 1999) ...

pyrocatechol
1,2-benzenediol;a constituent of the catecholamines, epinephrine and norepinephrine, and dopa; used externally as an antiseptic. ... Synonym: catechol, pyrocatechin. ... (05 Mar 2000) ...

pyrococcus
A genus of strictly anaerobic ultrathermophilic archaea, in the family thermococcaceae, occurring in heated seawaters. They exhibit heterotrophic growth at an optimum temperature of 100 degrees c. ... (12 Dec 1998) ...

Pyrococcus sp GB-D DNA polymerase
<enzyme> Thermophilic enzyme from the archaeon pyrococcus; used in pcr site-directed mutagenesis ... Registry number: EC 2.7.7.- ... Synonym: gb-d polymerase ... (26 Jun 1999) ...

pyrogallic acid
Synonym for pyrogallol ... <chemistry> A phenol metameric with phloroglucin, obtained by the distillation of gallic acid as a poisonous white crystalline substance having acid properties, and hence called also pyrogallic acid. It is a strong reducer, and is used as a developer in photography and in the production of certain dyes. ... Origin: Py …

pyrogallol
<chemistry> A phenol metameric with phloroglucin, obtained by the distillation of gallic acid as a poisonous white crystalline substance having acid properties, and hence called also pyrogallic acid. It is a strong reducer, and is used as a developer in photography and in the production of certain dyes. ... Origin: Pyrogallic + -ol. ... Source: …

pyrogallol-phloroglucinol isomerase
<enzyme> Converts pyrogallol (1,2,3-benzentriol) to phloroglucinol (1,3,5-benzenetriol): also converts 1,2,4-benzenetriol to resorcinol plus 2,6-dihydroxyquinone ... Registry number: EC 5.4.99.- ... Synonym: p-p isomerase ... (26 Jun 1999) ...

pyrogen
<cell biology> Substance or agent that produces fever. The major endogenous pyrogen in mammals is probably interleukin-1. ... (18 Nov 1997) ...

pyrogenic
<physiology> Fever inducing. ... Origin: Gr. Gennan = to produce ... (18 Nov 1997) ...

pyrogens
Substances capable of increasing body temperature; they may be of microbial origin, often polysaccharides and may contaminate distilled water. ... (12 Dec 1998) ...

pyroglobulins
Atypical gamma immunoglobulins characterised by their irreversible heat denaturation at 56-degrees c. Pyroprecipitation is inhibited at pH below 3 and above 9. The presence of pyroglobulins in the serum is the cause of pyroglobulinaemia. They are frequently present in multiple myeloma and the pyroglobulin precipitate binds complement, reacts with r …

pyroglutamate hydrolase
<enzyme> Hydrolyzes pyroglutamic acid in the presence of ATP to glutamate plus ADP and inorganic phosphate. Deficiency leads to pyroglutamic acidurea. ... Registry number: EC 3.5.2.- ... (12 Dec 1998) ...

pyroglutamic acid
Synonym for 5-oxoproline ... A keto derivative of proline that is formed nonenzymatically from glutamate, glutamine, and gamma-glutamylated peptides; it is also produced by the action of gamma-glutamylcyclotransferase; elevated levels of 5-oxoproline are often associated with problems of glutamine or glutathione metabolism. ... Synonym: 5-pyrrolidone …

pyroglutamyl-peptidase I
<enzyme> An enzyme that catalyses the release of a n-terminal pyroglutamyl group from a polypeptide provided the next residue is not proline. It is inhibited by thiol-blocking reagents and occurs in mammalian tissues, microorganisms, and plants. ... Registry number: EC 3.4.19.3 ... (12 Dec 1998) ...

pyrolagnia
Sexual gratification from setting fires. ... Origin: pyro-+ G. Lagneia, lust ... (05 Mar 2000) ...

pyroligneous
Relating to or produced by the dry distillation of wood. ... Origin: pyro-+ L. Lignum, wood ... (05 Mar 2000) ...

pyroligneous alcohol
Synonym for methyl alcohol ... CH3OH;a flammable, toxic, mobile liquid, used as an industrial solvent, antifreeze, and in chemical manufacture; ingestion may result in severe acidosis, visual impairment, and other effects on the central nervous system. ... Synonym: carbinol, methanol, pyroligneous alcohol, pyroligneous spirit, pyroxylic spirit, wood …

pyroligneous vinegar
Synonym for wood vinegar ... Pyracetic acid;impure acetic acid produced by the destructive distillation of pine tar and wood. ... Synonym: pyroligneous vinegar. ... (05 Mar 2000) ...

pyrolysis
The thermal decomposition of biomass at high temperatures (greater than 400> F, or 200> C) in the absence of air. The end product of pyrolysis is a mixture of solids (char), liquids (oxygenated oils), and gases (methane, carbon monoxide, and carbon dioxide) with proportions determined by operating temperature, pressure, oxygen content, and ot …

pyromaniac
One affected with pyromania; arsonist. ... (05 Mar 2000) ...

pyromen
Synonym for piromen ... A sterile, nonprotein, nonanaphylactogenic extract of Pseudomonas aeruginosa and Proteus vulgaris. The active components are bacterial polysaccharides of low toxicity; used in the treatment of certain allergic, dermatologic, and ophthalmic disorders. ... Synonym: pyromen. ... (05 Mar 2000) ...

pyrometer
1. <physics> An instrument used for measuring the expansion of solid bodies by heat. ... 2. <physics> An instrument for measuring degrees of heat above those indicated by the mercurial thermometer. ... It is usually constructed so as to register the change which the heat to be measured produces in the length of some expansible substance, …

pyrone
A keto derivative of pyran. ... Synonym: pyranone. ... (05 Mar 2000) ...

pyronin
A fluorescent red basic xanthene dye, the chloride of tetramethyldiaminoxanthene, pyronin Y or pyronin G, or of tetraethyldiaminoxanthene pyronin B. These dyes, especially pyronin Y, are used in combination with methyl green for differential staining of RNA (red) and DNA (green); difference in staining result is probably due to the higher degree of …

pyronine
<chemical> [6-(dimethylamino0-3h-xanthen-3ylidine]dimethylammonium chloride. Xanthene dye used as a bacterial and biological stain. ... Synonym: pyronin; pyronine g; pyronine y. Use also for pyronine b. Which is diethyl-rather than dimethylamino-. ... Pharmacological action: dyes. ... Chemical name: Xanthylium, 3,6-bis(dimethylamino)-, chloride< …

pyroninophilia
An affinity for the basic pyronin dyes; a useful indicator of intense protein synthesis accompanying RNA synthesis, as in the cytoplasm of an active plasma cell. ... Origin: pyronin + G. Philos, fond ... (05 Mar 2000) ...

pyrophobia
<psychology> Morbid dread of fire. ... Origin: pyro-+ G. Phobos, fear ... (05 Mar 2000) ...

pyrophosphatase
Any enzyme cleaving a pyrophosphate bond between two phosphoric groups, leaving one on each of the two fragments; e.g., inorganic pyrophosphatase, NAD+ p. (cleaves NAD, etc., to mononucleotides), ATP pyrophosphatase (cleaves inorganic pyrophosphate from ATP, leaving AMP). ... See: flavin adenine dinucleotide. ... (05 Mar 2000) ...