specimen(redirected from midstream specimen)
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Related to midstream specimen: midstream specimen of urine
a small sample or part taken to show the nature of the whole, such as a small quantity of urine for urinalysis or a small fragment of tissue for microscopic study.
clean-catch specimen (clean-voided specimen) a urine specimen obtained after the external urethral area is washed with a liquid soap and rinsed well; then the patient starts a urinary stream, stops it, and voids into a sterile specimen container. The purpose of obtaining such a specimen is to minimize contamination by external organisms. Called also midstream specimen.
midstream specimen clean-catch specimen.
sputum specimen a sample of mucous secretion from the bronchi and lungs; see also sputum specimen.
spec·i·men(spes'ĭ-mĕn), Avoid the misspelling speciman.
A small part, or sample, of any substance or material obtained for testing.
[L. fr. specio, to look at]
specimen/spec·i·men/ (spes´ĭ-men) a small sample or part taken to show the nature of the whole, as a small quantity of urine for analysis, or a small fragment of tissue for microscopic study.
1. An individual, item, or part representative of a class or whole.
2. An organism, part of an organism, or fossil that has been collected and usually preserved, especially for display or scientific research.
3. A sample, as of tissue, blood, or urine, used for analysis and diagnosis.
4. Informal An individual; a person: a disagreeable specimen.
[spes′imən] pl. specimens
Etymology: L, specere, to look
a small sample of something intended to show the nature of the whole, such as a urine specimen.
specimenA small sample of something–cells, organ, organism, plasma, tissue, whatever, that represents a whole, from which a diagnosis is rendered or other determination of said object's nature is made. See Fasting specimen, Fingerstick specimen, Frozen specimen, Rejected specimen.
A small part or sample of any substance or material obtained for testing.
[L. fr. specio, to look at]
specimena whole or part of an organism used as an example or illustration.
specimensample of any substance/material obtained for testing/analysis
a small sample or part taken to show the nature of the whole, such as a small quantity of urine for urinalysis, or a small fragment of tissue for microscopic study.
changes in tissues or other samples for laboratory examination, caused by the collection, transport, fixing, section cutting, staining or other procedural manipulations.
specimen collected in the knowledge that there will probably be litigation relating to the case. Requires complete, accurate identification of the specimen and the patient and client, and that a separate reserve specimen be kept for any further testing required by the court. All containers should be sealed so that they cannot be tampered with, and preferably in the presence of witnesses.