| molybdenum | <chemistry> A rare element of the chromium group, occurring in nature in the minerals molybdenite and wulfenite, and when reduced obtained as a hard, silver-white, difficulty fusible metal. Symbol Mo. Atomic weight 95.9. Origin: NL., cf. F. Molybdene. See Molybdena. Source: Websters Dictionary (01 Mar 1998) |
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| molybdenum-99 | A reactor-produced radioisotope of molybdenum with a half-life of 2.7476 days, used in radionuclide generators for the production of technetium-99m. (05 Mar 2000) |
| molybdenum breakthrough | <radiology> 0.15 uCi Mo-99 / mCi Tc-99m, must check EVERY elution of generator, use dose calibrator and lead shield, Mo-99 emits beta particles, has 67-hr half-life, it's taken up by liver (12 Dec 1998) |
| molybdenum cofactor | A complex of molybdenum and molybdopterin required for a number of enzymes. A deficiency of this cofactor will result in lower activities of sulfite oxidase, xanthine dehydrogenase, and aldehyde oxidase causing elevated levels of sulfite, thiosulfite, xanthine, etc. (05 Mar 2000) |
| molybdenum-iron protein aldehyde oxidoreductase | <enzyme> Related to xanthine oxidase; isolated from desulfovibrio gigas Registry number: EC 1.2.7.- Synonym: mop protein (26 Jun 1999) |
| molybdenum target tube | An X-ray tube with an anode surface made of molybdenum instead of tungsten, used in mammography. (05 Mar 2000) |
| ackee poisoning | An acute and frequently fatal vomiting disease associated with central nervous system symptoms and marked hypoglycaemia, caused by eating unripe ackee fruit of Blighia spaida, a tree common in Jamaica. Synonym: Jamaican vomiting sickness. (05 Mar 2000) |
| arsenic poisoning | A severe poisoning that occurs after the exposure (ingested or inhaled). Signs and symptoms include: nausea, vomiting, diarrhoea, rapid heart rate, apprehension and difficulty breathing. (27 Sep 1997) |
| bacterial food poisoning | A term commonly used to refer to conditions limited to enteritis or gastroenteritis (excluding the enteric fevers and the dysenteries) caused by bacterial multiplication per se or by a soluble bacterial exotoxin. (05 Mar 2000) |
| blister beetle poisoning | Poisoning, most often of horses, by ingestion of blister beetles (Epicauta spp.) in hay; the causative toxin is cantharidin, which produces salivation, shock, pollakiuria, and colic. (05 Mar 2000) |
| blood poisoning | See: septicaemia, pyaemia. (05 Mar 2000) |
| bracken poisoning | A disease of cattle caused by long-term, low-level consumption of the bracken fern (Pteridium aquilinum) and characterised by haemorrhages or tumours in the bladder. Synonym: bracken poisoning. (05 Mar 2000) |
| cadmium poisoning | Poisoning occurring after exposure to cadmium compounds or fumes. It may cause gastrointestinal syndromes, anaemia, or pneumonitis. (12 Dec 1998) |
| carbon disulfide poisoning | Acute or chronic intoxication by CS2, an industrial condition encountered among rubber workers and makers of artificial silk (rayon) by the viscose process; characterised by insomnia, listlessness, and irritability, followed by paralyses, impaired vision, peptic ulcer, and psychoses. (05 Mar 2000) |
| carbon monoxide poisoning | Toxic asphyxiation due to the displacement of oxygen from oxyhemoglobin by carbon monoxide. (12 Dec 1998) |