| MOSFET | metal oxide semiconductor field effect transistor |
|---|---|
| MOV | metal-oxide varistor; minimal occlusive volume |
| NB | nail bed; neuro-Behc;cet [syndrome]; neuroblastoma; neurometric battery; newborn; nitrous oxide-barb... |
| NMOS | N-type metal oxide semiconductor |
| NO | narcotics officer; nitric or nitrous oxide; none obtained; nonobese; nurse's office |
| 4-nitroquinoline-1-oxide | <chemical> 4-nitroquinoline 1-oxide. A potent mutagen and carcinogen. This compound and its metabolite 4-hydroxyaminoquinoline-1-oxide bind to nucleic acids. It inactivates bacteria but not bacteriophage. Pharmacological action: carcinogens, mutagens. Chemical name: Quinoline, 4-nitro-, 1-oxide (12 Dec 1998) |
|---|---|
| 7,8-dihydro-7,8-dihydroxybenzo(a)pyrene 9,10-oxide | <chemical> 7,8,8a,9a-tetrahydrobenzo(10,11)chryseno (3,4-b)oxirene-7,8-diol. A benzopyrene derivative with carcinogenic and mutagenic activity. Pharmacological action: carcinogens, mutagens. Chemical name: Benzo(10,11)chryseno(3,4-b)oxirene-7,8-diol, 7,8,8a,9a-tetrahydro- (12 Dec 1998) |
| lead oxide | Has been used as an ingredient in external applications such as lead plaster. Synonym: lead oxide (yellow), litharge, massicot. (05 Mar 2000) |
| administration, oral | The giving of drugs, chemicals, or other substances by mouth. (12 Dec 1998) |
| cancer, oral | Cancer of the mouth area. A sore in the mouth that does not heal can be a warning sign of oral cancer. A biopsy is the only to know whether as abnormal area in the oral cavity is cancer. Oral cancer is caused by tobacco (smoking and chewing) and alcohol use. Surgery to remove the tumour in the mouth is the usual treatment for patients with oral cancer. (12 Dec 1998) |
| candidiasis, oral | Infection of the mucous membranes of the mouth by a fungus of the genus candida. (12 Dec 1998) |
| canine oral papilloma | Warts affecting mucous membranes of young dogs; caused by a papillomavirus. (05 Mar 2000) |
| magnesia and alumina oral suspension | A mixture of magnesium hydroxide and variable amounts of aluminum oxide; used as an antacid. (05 Mar 2000) |
| pathology, oral | A dental specialty concerned with pathology of the oral cavity. (12 Dec 1998) |
| pharyngo-oral | Relating to the pharynx and the mouth; oropharyngeal. Origin: pharyngo-+ L. Os (or-), mouth (05 Mar 2000) |
| combination oral contraceptive | A mixture of a steroid having progestational activity and an oestrogen. (05 Mar 2000) |
| contraceptives, oral | Compounds, usually hormonal, taken orally in order to block ovulation and prevent the occurrence of pregnancy. The hormones are generally oestrogen or progesterone or both. (12 Dec 1998) |
| contraceptives, oral, combined | Fixed drug combinations administered orally for contraceptive purposes. (12 Dec 1998) |
| contraceptives, oral, hormonal | Oral contraceptives which owe their effectiveness to hormonal preparations. (12 Dec 1998) |
| contraceptives, oral, sequential | Drugs administered orally and sequentially for contraceptive purposes. (12 Dec 1998) |