| nontransmural myocardial infarction | Necrosis of heart muscle that fails to extend from the endocardium to the epicardium, often erroneously considered relatively benign. (05 Mar 2000) |
|---|---|
| nontronite | <chemical> A greenish yellow or green mineral, consisting chiefly of the hydrous silicate of iron. Origin: So called because found in the arrondissement of Notron, France. Source: Websters Dictionary (01 Mar 1998) |
| nontropical sprue | <infectious disease> An inherited disease where the intestinal lining is inflamed in response to the ingestion of a protein known as gluten. Gluten is present in many grains including rye, oats, barley and triticale. Symptoms in infants include diarrhoea, slow growth, bloody stools, weight loss, vomiting and clay-coloured stools. Symptoms in adults include abdominal distention, abdominal pain, fatigue, weight loss, bone pain and bone tenderness. Treatment involves the life-long avoidance of gluten. (13 Nov 1997) |
| nonunion | Failure of normal healing of a fractured bone. (05 Mar 2000) |
| nonuterotropic | Not causing an effect on the uterus. Compare: nonoestrogenic. (05 Mar 2000) |
| nonvalent | Having no valency; not capable of entering into chemical composition. (05 Mar 2000) |
| nonvascular | <anatomy> Destitute of vessels; extravascular. Source: Websters Dictionary (01 Mar 1998) |
| nonvenereal syphilis | Syphilis caused by organisms closely related to Treponema pallidum; spread by personal, but not necessarily venereal, contact; usually acquired in childhood, most common in areas of provery and overcrowding; rare in the United States; includes yaws, pinta and bejel. Synonym: endemic syphilis. (05 Mar 2000) |
| nonverbal | Denoting communication without sounds or words; e.g., by signs, symbols, facial expressions, gestures, posture. (05 Mar 2000) |
| nonverbal communication | Transmission of emotions, ideas, and attitudes between individuals in ways other than the spoken language. (12 Dec 1998) |
| nonviable | 1. Incapable of independent existence; often denoting a prematurely born foetus. 2. Denoting a microorganism or parasite incapable of metabolic or reproductive activity. (05 Mar 2000) |
| nonvital pulp | Necrosis of the dental pulp which clinically does not respond to thermal stimulation; the tooth may be asymptomatic or sensitive to percussion and palpation. Synonym: dead pulp, nonvital pulp. (05 Mar 2000) |
| nonvital tooth | A tooth with a nonvital pulp. (05 Mar 2000) |
| nonyl | <chemistry> The hydrocarbon radical, C9H19, derived from nonane and forming many compounds. Used also adjectively; as, nonyl alcohol. Origin: Nonane + -yl. Source: Websters Dictionary (01 Mar 1998) |
| nonylene | <chemistry> Any one of a series of metameric, unsaturated hydrocarbons C9H18 of the ethylene series. Origin: Nonane + ethylene. Source: Websters Dictionary (01 Mar 1998) |