| CES-D | Center for Epidemiological Studies of Depression [scale] |
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| CHAS | Center for Health Administration Studies |
| HCSD | Health Care Studies Division |
| MSU | maple sugar urine; maple syrup urine; medical studies unit; mid-stream urine; monosodium urate; myoc... |
| NIHS | National Institute of Hypertension Studies |
| organizational case studies | Descriptions and evaluations of specific health care organizations. (12 Dec 1998) |
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| time and motion studies | The observation and analysis of movements in a task with an emphasis on the amount of time required to perform the task. (12 Dec 1998) |
| electrophysiological studies | <investigation> A special study that involves the placement of electrodes inside the heart to map the electrical characteristics of the heart. This study is carried out in a specially equipped lab and is similar to a cardiac catheterisation procedure. Electrodes are placed inside the heart via a catheter placed into a vein. The electrodes are positioned near the heart's conduction system and an electrical map of the heart can be determined. This test is often performed in those where a life-threatening cardiac arrhythmia is a problem. The location and characteristics of an arrhythmia can be determined, thus guiding medical management of the problem. Patients with Wolf Parkinson White syndrome or sick sinus syndrome may have this test as part of their evaluation. Acronym: EPS (14 Mar 2000) |
| epidemiologic studies | Studies designed to examine associations, commonly, hypothesised causal relations. They are usually concerned with identifying or measuring the effects of risk factors or exposures. The common types of analytic study are case-control studies, cohort studies, and cross-sectional studies. (12 Dec 1998) |
| evaluation studies | Studies determining the effectiveness or value of processes, personnel, and equipment, or the material on conducting such studies. For drugs and devices, clinical trials, drug evaluation, and drug screening are available. (12 Dec 1998) |
| twin studies | Methods of detecting genetic aetiology in human traits. The basic premise of twin studies is that monozygotic twins, being formed by the division of a single fertilised ovum, carry identical genes, while dizygotic twins, being formed by the fertilization of two ova by two different spermatozoa, are genetically no more similar than two siblings born after separate pregnancies. (12 Dec 1998) |
| feasibility studies | Studies to determine the advantages or disadvantages, practicability, or capability of accomplishing a projected plan, study, or project. (12 Dec 1998) |
| follow-up studies | Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease. (12 Dec 1998) |
| longitudinal studies | Studies in which variables relating to an individual or group of individuals are assessed over a period of time. (12 Dec 1998) |
| American Type Culture Collection | <cell culture> A key resource for cultured cells, located in Rockville, USA. (12 Dec 1998) |
| animal cell culture | <cell culture> Mammalian cells are fragile and harder to grow than other cell types, but their large-scale culturing is an economic boon because it allows for the production of proteins that are otherwise difficult or expensive or unethical to extract from living organisms. The cells are immobilised on a substrate and then perfused with culture medium, The cells are in a free suspension which is very gently mixed and aerated. (12 Nov 1997) |
| anoxic culture | A culture of anaerobicmicrobes which use inorganic substances other thanoxygen as their terminal electron acceptors. (09 Oct 1997) |
| anther culture | A plant culturing technique in which immature pollen is made to divide andgrow into tissue (either callus or embryonic tissue) in either aliquidmedium or on solid media. Pollen-containing anthers are removed from aflower and put in a culture medium, some microspheres survive and developinto tissue. If embryonic tissue develops, its put in a medium favorablefor shoot and root development, if its callus tissue, its put in asolution of hormones that will spur it to differentiate and develop shootand root tissue. (09 Oct 1997) |
| axenic culture | <cell culture, microbiology> A culture that contains only one microbial species. (02 Jan 1998) |
| batch culture | A closed system culture of microorganisms with specific nutrient types, temperature, pressure, aeration, and other environmental conditions, where only a few generations are allowed to grow before all nutrients are used up. Compare: continuous culture. (09 Oct 1997) |