| signs and symptoms, digestive | Digestive system manifestations of diseases of the gastrointestinal system or of other organs. (12 Dec 1998) |
|---|---|
| behavioural sciences | Disciplines concerned with the study of human and animal behaviour. (12 Dec 1998) |
| biological sciences | All of the divisions of the natural sciences dealing with the various aspects of the phenomena of life and vital processes. The concept includes anatomy and physiology, biochemistry and biophysics, and the biology of animals, plants, and microorganisms. It should be differentiated from biology, one of its subdivisions, concerned specifically with the origin and life processes of living organisms. (12 Dec 1998) |
| physical sciences | The natural sciences dealing with inanimate matter or with energy, as physics, chemistry, astronomy. (12 Dec 1998) |
| social sciences | Disciplines concerned with the interrelationships of individuals in a social environment including social organizations and institutions. Includes sociology and anthropology. (12 Dec 1998) |
| national academy of sciences | A united states organization of distinguished scientists and engineers established for the purpose of investigating and reporting upon any subject of art or science as requested by any department of government. The national research council organised by nas serves as the principal operating agency to stimulate and support research. (12 Dec 1998) |
| hemic and lymphatic diseases | Haematologic diseases and diseases of the lymphatic system collectively. Hemic diseases include disorders involving the formed elements (e.g., erythrocyte aggregation, intravascular) and chemical components (e.g., blood protein disorders); lymphatic diseases include disorders relating to lymph, lymph nodes, and lymphocytes. (12 Dec 1998) |
| skin and connective tissue diseases | A collective term for diseases of the skin and its appendages and of connective tissue. (12 Dec 1998) |
| neonatal diseases and abnormalities | Diseases existing at birth and often before birth, regardless of causation. Of these congenital diseases, those characterised by structural deformities are termed abnormalities. (12 Dec 1998) |
| nutritional and metabolic diseases | A collective term for nutritional disorders (result of poor assimilation or utilization of food) and metabolic disorders (result of poor metabolism or inherited enzyme abnormality). (12 Dec 1998) |
| injuries, poisonings, and occupational diseases | Disorders representing collectively the results of assault by external forces, rather than by organic or physiologic dysfunction or by pathogens. (12 Dec 1998) |
| urologic and male genital diseases | A collective term for urinary tract diseases in male and female and diseases of the male genitalia. (12 Dec 1998) |
| diagnostic techniques, digestive system | Methods and procedures for the diagnosis of diseases or dysfunction of the digestive system or its organs or demonstration of their physiological processes. (12 Dec 1998) |
| digestive | Pertaining to digestion. (18 Nov 1997) |
| digestive apparatus | The digestive tract from the mouth to the anus with all its associated glands and organs. Synonym: apparatus digestorius. (05 Mar 2000) |