| laborant | A chemist. Origin: L.laborans, p. Pr. Of laborare to labour. Source: Websters Dictionary (01 Mar 1998) |
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| laboratorian | <specialist> One who works in a laboratory; in the medical and allied health professions, one who examines or performs tests (or supervises such procedures) with various types of chemical and biologic materials, chiefly as an aid in the diagnosis, treatment, and control of disease, or as a basis for health and sanitation practices. (05 Mar 2000) |
| laboratories | Facilities equipped to carry out investigative procedures. (12 Dec 1998) |
| laboratories, dental | Facilities in which the dentist or his auxiliaries perform services related to treatment not done directly in the patient's mouth. (12 Dec 1998) |
| laboratories, hospital | Hospital facilities equipped to carry out investigative procedures. (12 Dec 1998) |
| laboratory | Origin: Shortened fr. Elaboratory; cf. OF. Elaboratoire, F. Laboratoire. See Elaborate, Labour] [Formerly written also elaboratory. The workroom of a chemist; also, a place devoted to experiments in any branch of natural science; as, a chemical, physical, or biological laboratory. Hence, by extension, a place where something is prepared, or some operation is performed; as, the liver is the laboratory of the bile. Source: Websters Dictionary (01 Mar 1998) |
| laboratory animal science | The science and technology dealing with the procurement, breeding, care, health, and selection of animals used in biomedical research and testing. (12 Dec 1998) |
| laboratory chemicals | Chemicals necessary to perform experimental and/or investigative procedures and for the preparation of drugs and other chemicals. (12 Dec 1998) |
| laboratory diagnosis | A diagnosis made by a chemical, microscopic, microbiologic, immunologic, or pathologic study of secretions, discharges, blood, or tissue. (05 Mar 2000) |
| laboratory infection | Accidentally acquired infection in laboratory workers. (12 Dec 1998) |
| laboratory personnel | Those health care professionals, technicians, and assistants staffing a research or health care facility where specimens are grown, tested, or evaluated and the results of such measures are recorded. (12 Dec 1998) |
| laboratory techniques and procedures | Methods, procedures, and tests performed in the laboratory with an intended application to the diagnosis of disease or understanding of physiological functioning. The techniques include examination of microbiological, cytological, chemical, and biochemical specimens, normal and pathological. (12 Dec 1998) |