A small part, or sample, of any substance or material obtained for testing. [L. fr. specio, to look at]
cytologic s.a s. obtainable by a variety of methods from many areas of the body, including the female genital tract, respiratory tract, urinary tract, alimentary tract, and body cavities; used for cytologic examination and diagnosis (e.g., cytologic smears, filter preparations, centrifuged buttons).
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