Definition of Alimentary tract smear
1. Noun. Any of several cytologic smears obtained from different parts of the alimentary tract; obtained by specialized lavage techniques and used mainly to diagnose cancer in those parts.
Specialized synonyms: Esophageal Smear, Gastric Smear, Oral Smear, Duodenal Smear, Paraduodenal Smear
Medical Definition of Alimentary tract smear
1. A group of cytologic specimens containing material from the mouth (oral smear), oesophagus and stomach (gastric smear), duodenum (paraduodenal smear), and colon, obtained by specialised lavage techniques; used principally for the diagnosis of cancer of those areas. (05 Mar 2000)
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