(a.) Of or pertaining to an organ or its functions, or to objects composed of organs; consisting of organs, or containing them; as, the organic structure of animals and plants; exhibiting characters peculiar to living organisms; as, organic bodies, organic life, organic remains. Cf. Inorganic.
(a.) Produced by the organs; as, organic pleasure.
(a.) Instrumental; acting as instruments of nature or of art to a certain destined function or end.
(a.) Forming a whole composed of organs. Hence: Of or pertaining to a system of organs; inherent in, or resulting from, a certain organization; as, an organic government; his love of truth was not inculcated, but organic.
(a.) Pertaining to, or denoting, any one of the large series of substances which, in nature or origin, are connected with vital processes, and include many substances of artificial production which may or may not occur in animals or plants; -- contrasted with inorganic.
Example Sentences:
(1) The high amino acid levels in the cells suggest that these cells act as inter-organ transporters and reservoirs of amino acids, they have a different role in their handling and metabolism from those of mammals.
(2) These organic compounds were found to be stable on the sorbent tubes for at least seven days.
(3) The main clinical features pertaining to the concept of the "psycho-organic syndrome" (POS) were investigated in a sample of children who suffered from severe craniocerebral trauma.
(4) After 3 and 6 months, blood collected by cardiocentesis using ether anesthesia and then sacrificed to remove CNS and internal organs.
(5) Addition of phospholipase A2 from Vipera russelli venom led to a significant increase in the activity of guanylate cyclase in various rat organs.
(6) For the first time it was organized on the basis of population.
(7) Acceptance of less than ideal donors is ill-advised even though rejection of such donors conflicts with the current shortage of organs.
(8) There is no evidence that health-maintenance organizations reduce admissions in discretionary or "unnecessary" categories; instead, the data suggest lower admission rates across the board.
(9) We conclude that chloramphenicol resistance encoded by Tn1696 is due to a permeability barrier and hypothesize that the gene from P. aeruginosa may share a common ancestral origin with these genes from other gram-negative organisms.
(10) Recovery of CV-3988 from plasma averaged 81.7% for the column procedure and 40% for the organic extraction.
(11) One of the main users is coastal planning organizations and conservation organizations that are working on coral reefs.
(12) Infection with opportunistic organisms, either singly or in combination, is known to occur in immunocompromised patients.
(13) The causative organisms included viruses, fungi, and bacteria of both high and low pathogenicity.
(14) A chronic cannulation procedure is described which allows for sampling vomeronasal organ (VNO) contents repeatedly in freely moving conscious subjects.
(15) Neither Brucella organisms, nor increased numbers of neutrophils could be found in semen samples collected from the experimental animals.
(16) The lineage and clonality of Hodgkin's disease (HD) were investigated by analyzing the organization of the immunoglobulin and T-cell receptor beta-chain (T beta) gene loci in 18 cases of HD, and for comparison, in a panel of 103 cases of B- and T-cell non-Hodgkin's lymphomas (NHLs) and lymphoid leukemias (LLs).
(17) A review is made from literature and an inventory of psychological and organic factors implicated in this pathology.
(18) The authors conclude that H. pylori alone causes little or no effect on an intact gastric mucosa in the rat, that either intact organisms or bacteria-free filtrates cause similar prolongation and delayed healing of pre-existing ulcers with active chronic inflammation, and that the presence of predisposing factors leading to disruption of gastric mucosal integrity may be required for the H. pylori enhancement of inflammation and tissue damage in the stomach.
(19) Data is available to support the early influences of enamel organ epithelium upon a responding mesenchyme in the determination of dental morphogenetic fields (Dryburg, 1967; Miller, 1969).
(20) The four deaths were not related to the injuries of parenchymatous organs.
Urethane
Definition:
(n.) A white crystalline substance, NH2.CO.OC2H5, produced by the action of ammonia on ethyl carbonate. It is used somewhat in medicine as a hypnotic. By extension, any one of the series of related substances of which urethane proper is the type.
Example Sentences:
(1) In urethane-anesthetized rabbits, IOP and blood pressure were lowered by intravenous administration of delta 9-THC but not by bolus cerebral administration.
(2) Chloralose-urethane is considered a suitable anaesthetic in rats when studying the effects of noradrenaline and guanethidine.
(3) Experiments were carried out under urethane anaesthesia.
(4) Urethane also produced a trend towards metabolic acidosis.
(5) Differential pulse voltammetry used in combination with an electrochemically treated carbon fiber electrode allowed the detection of 5-hydroxyindoles (5-HI) in the dorsal horn of the urethane-anesthetized rat.
(6) Seven or 14 days of treatment with the beta 2-adrenoceptor agonist clenbuterol, 0.3 mg kg-1, s.c., twice daily, increased the basal mean blood pressure in normotensive urethane-anaesthetized rats.
(7) To try to compare receptor compartment kinetics, receptor binding, and binding-response coupling for two smooth muscle types in vivo, pressor and uterine responses to oxypressin, an equipotent analog of oxytocin and vasopressin, were studied simultaneously in urethane-anesthetized, pentolinium-indomethacin treated rats.
(8) Single unit discharges in the ventromedial hypothalamic nucleus (VMH) and lateral hypothalamic area (LH) were extracellularly recorded in urethane anesthetised female rats, while various solutions were perfused through the stomach or duodenum via implanted polythene tubes.
(9) The role of the sympatho-adrenal system in the production of tachycardia accompanying the hypotensive response to hydralazine was studied in urethane-anesthetized rats subjected to previous bilateral adrenal demedullation or to pretreatment with 6-hydroxydopamine and compared with intact control animals.
(10) A germ line mutation causing a tumour ('tumour mutation') is weakly carcinogenic by itself, but it is strongly expressed in the progeny after postnatal treatment with a small dose of the carcinogenesis promoting agent urethane.
(11) Experiments were carried out on 36 urethane-chloralose aneasthesized, paralyzed, vagotomized and artificially ventilated rabbits.
(12) Fasting hyperglycemia was observed in urethane-anesthetized rats.
(13) Much evidence now exists which defines the ability of poly(ether)urethanes to selectively extract ions, especially calcium ion from solution.
(14) Filling of the gastric lumen of rats with 1.0 M NaCl solution (5 ml) for 10 min under urethane anesthesia caused an increase in the gastric fluid concentrations of prostaglandin (PG) E2, 13,14-dihydro-15-keto-PGE2 and 6-keto-PGF1 alpha as determined by radioimmunoassay.
(15) The effect of thyrotropin-releasing hormone (TRH) on the mechanism regulating growth hormone (GH) secretion was investigated in urethane-anesthetized male rats.
(16) In urethane-anesthetized rats, low frequency electrical stimulation of the thalamic radiation (TR) evoked an augmenting response in the somatosensory cortex (SCx) which was followed by rhythmic slow waves.
(17) The frequencies of transformations of primary human and Chinese hamster fibroblasts have been compared with the spontaneous and induced frequencies of mutation for resistance to thioguanine and ouabain, and for ability to use fructose, using the carcinogens benzo (alpha) pyrene and urethane.
(18) In urethane-anaesthetized rats clonidine was administered intravenously (i.v.
(19) One end of the spacer group was coupled to the derivatized surface through a urethane bond between the amine group of the spacer and the derivatized surface.
(20) These compounds were tested for anticarcinogenic activity against urethane-induced pulmonary adenomas and for antitumoral activity against some transplanted tumours such as leukemia L 1210, mammary adenocarcinoma Ca 755 and Walker carcinosarcoma 256.