| experimental | 1. Of, relating to or based on experience: empirical. 2. Of a disease: intentionally produced especially in laboratory animals for the purpose of study. (18 Nov 1997) |
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| experimental allergic encephalitis | <pathology> An autoimmune disease that can be induced in various experimental animals by the injection of homogenised brain or spinal cord in Freund's adjuvant. The antigen appears to be a basic protein present in myelin and the response is characterised by focal areas of lymphocyte and macrophage infiltration into the brain, associated with demyelination and destruction of the blood-brain barrier. Sometimes used as a model for demyelinating diseases, although whether this is entirely justifiable is not clear. (18 Nov 1997) |
| experimental allergic encephalomyelitis | <pathology> An autoimmune disease that can be induced in various experimental animals by the injection of homogenised brain or spinal cord in Freund's adjuvant. The antigen appears to be a basic protein present in myelin and the response is characterised by focal areas of lymphocyte and macrophage infiltration into the brain, associated with demyelination and destruction of the blood-brain barrier. Sometimes used as a model for demyelinating diseases, although whether this is entirely justifiable is not clear. (18 Nov 1997) |
| experimental error | The total error of measurement ascribed to the conduct of an empirical observation. It is commonly expressed as the standard deviation of replicated experiments. There may be many components, including those in the sampling procedure, the measurements, injudicious choice of a model, observer bias, etc. (05 Mar 2000) |
| experimental group | A group of subjects exposed to the variable of an experiment, as opposed to the control group. (05 Mar 2000) |
| experimental method | In experimental psychology, control of environmental, physiological, or attitudinal factors to observe dependent changes in aspects of experience and behaviour. (05 Mar 2000) |
| experimental neurosis | A behaviour disorder produced experimentally, as when an organism is required to make a discrimination of extreme difficulty and "breaks down" in the process. (05 Mar 2000) |
| experimental psychology | A subdiscipline within the science of psychology that is concerned with the study of conditioning, learning, perception, motivation, emotion, language, and thinking, also used in relation to subject-matter areas in which experimental, in contrast to correlational or socio-experiential, methods are emphasized. (05 Mar 2000) |
| leukaemia, experimental | Leukaemia induced experimentally by administration of various leukemogenic agents, viruses, radiation or transplantation. (12 Dec 1998) |
| liver neoplasms, experimental | Experimentally induced tumours of the liver. (12 Dec 1998) |
| adolescent medicine | A branch of medicine pertaining to the diagnosis and treatment of diseases occurring during the period beginning with puberty until the cessation of somatic growth. (12 Dec 1998) |
| aerospace medicine | <study> A field of medicine which specialises in the effects of atmospheric and space flight on human physical and psychological well-being. (09 Oct 1997) |
| alternative medicine | A catch-all phrase for a long list of treatments or medicinal systems including traditional systems such as Chinese or Ayurvedic medicine, homeopathy, various herbals and other miscellaneous treatments that have not been accepted by the mainstream, or Western, medical establishment. Alternative medicine is also referred to as complementary medicine (see). The designation alternative medicine is not equivalent to holistic medicine, which is a more narrow term. See: Holistic Medicine. (09 Oct 1997) |
| aviation medicine | The study and practice of medicine as it applies to physiologic problems peculiar to aviation. Synonym: aeromedicine. (05 Mar 2000) |
| behavioural medicine | The interdisciplinary field concerned with the development and integration of behavioural and biomedical science, knowledge, and techniques relevant to health and illness and the application of this knowledge and these techniques to prevention, diagnosis, treatment, and rehabilitation. (12 Dec 1998) |