alimentary tract smear

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Related to oral smear: oral brush biopsy

al·i·men·ta·ry tract smear

a group of cytologic specimens containing material from the mouth (oral smear), esophagus and stomach (gastric smear), duodenum (paraduodenal smear), and colon, obtained by specialized lavage techniques; used principally for the diagnosis of cancer of those areas.

al·i·men·ta·ry tract smear

(ali-mentăr-ē trakt smēr)
Cytologic specimens containing material from the mouth (oral smear), esophagus and stomach (gastric smear), duodenum (paraduodenal smear), and colon, obtained by specialized lavage techniques.