| OROS | oral osmotic |
|---|---|
| ORT | object relations technique; operating room technician; oral rehydration therapy |
| OS | left eye [Lat. oculus sinister]; occipitosacral; occupational safety; office surgery; Omenn syndrome... |
| OSCC | oral squamous cell carcinoma |
| OTD | oculotrichodysplasia; oral temperature device; organ tolerance dose |
| initiation complex | Complex between mRNA, 30S ribosomal subunit and formyl methionyl tRNA that requires GTP and initiation factors to function. (18 Nov 1997) |
|---|---|
| iron-dextran complex | <chemical> Iron dextran. A complex of ferric oxyhydroxide with dextrans of 5000 to 7000 daltons in a viscous solution containing 50 mg/ml of iron. It is supplied as a parenteral preparation and is used as a haematinic. (goodman and gilman's the pharmacological basis of therapeutics, 8th ed, p1292) Pharmacological action: haematinics. Chemical name: Iron dextran (12 Dec 1998) |
| iron succinyl milk protein complex | <chemical> Soluble iron complex with 5% iron content produced by reacting succinylated milk protein and ferric chloride Synonym: iron succinyl protein complex, itf 282, itf-282 (05 Dec 1998) |
| isodiphasic complex | A diphasic complex whose positive and negative deflections are approximately equal. Synonym: equiphasic complex. (05 Mar 2000) |
| oedipus complex | Attachment of the child to the parent of the opposite sex, accompanied by envious and aggressive feelings toward the parent of the same sex. (12 Dec 1998) |
| Ornithodoros moubata complex | A group of four species in Africa; the taxonomy and ecology of this complex is of great significance because its members are vectors of relapsing fever spirochetes; members of the complex include Ornithodoros moubata (various hosts), Ornithodoros compactus (tortoises), Ornithodoros apertus (porcupines), and Ornithodoros porcinus (warthogs); a domestic subspecies of Ornithodoros porcinus, in turn, forms three strains that feed chiefly on humans, fowl, and swine. (05 Mar 2000) |
| ostiomeatal complex | Point where the frontal and maxillary sinuses normally drain into the nasal cavity; obstruction produces inflammation of affected sinus cavities. Synonym: ostiomeatal unit. (05 Mar 2000) |
| Tacaribe complex | <virology> Group of 8 Arenaviridae isolated in s.America from bats. (18 Nov 1997) |
| Tacaribe complex of viruses | A group of arenaviruses that includes the antigenically interrelated arboviruses Amapari, Junin, Latino, Machupo, Parana, Pichinde, Tacaribe, and Tamiami. (05 Mar 2000) |
| tacaribe complex viruses | One of two groups of viruses in the arenavirus genus and considered part of the new world complex. It includes junin virus, pichinde virus, amapari virus, and machupo virus among others. They are the cause of human haemorrhagic fevers mostly in central and south america. (12 Dec 1998) |
| ternary complex | Term used to describe the tripartite combination of, for example, enzyme-cofactor-substrate or enzyme-substrate1-substrate2 for a multisubstrate enzyme, the active form involved in many enzyme-catalyzed reactions. (05 Mar 2000) |
| EAHF complex | A combination of allergies consisting of eczema, asthma and hay fever. (05 Mar 2000) |
| eisenmenger complex | Defect of the interventricular septum with severe pulmonary hypertension, hypertrophy of the right ventricle, and latent or overt cyanosis. (12 Dec 1998) |
| Eisenmenger's complex | The combination of ventricular septal defect with pulmonary hypertension and consequent right-to-left shunt through the defect, with or without an associated overriding aorta. Synonym: Eisenmenger's defect, Eisenmenger's disease, Eisenmenger's tetralogy. (05 Mar 2000) |
| Electra complex | Female counterpart of the Oedipus complex in the male; a term used to describe unresolved conflicts during childhood development toward the father which subsequently influence a woman's relationships with men. Synonym: father complex. Origin: Electra, daughter of Agamemnon (05 Mar 2000) |