alimentary tract smear

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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.
Farlex Partner Medical Dictionary © Farlex 2012

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.
Medical Dictionary for the Dental Professions © Farlex 2012