#alimentary_tract_smear 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
supertype: #cytologic_smear__cytologicsmear__smear__cytosmear a thin tissue or blood sample spread on a glass slide and stained for cytologic examination and diagnosis under a microscope
subtype: #esophageal_smear alimentary tract smear of material obtained from the esophagus
subtype: #gastric_smear__gastricsmear alimentary tract smear of material obtained from the stomach
subtype: #oral_smear alimentary tract smear of material obtained from the mouth
subtype: #paraduodenal_smear__duodenal_smear alimentary tract smear of material obtained from the duodenum
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