portion of gaseous body substance flatulence http://purl.bioontology.org/ontology/MESH/D005414 http://purl.obolibrary.org/obo/NCIT_C37954 http://purl.org/sig/ont/fma/fma78440 https://en.wikipedia.org/wiki/Category:Flatulence https://en.wikipedia.org/wiki/Flatulence https://www.wikidata.org/wiki/Q160184 Excretion in gaseous state processed in the stomach and small intestine. Production or presence of gas in the gastrointestinal tract which may be expelled through the anus. R14.3 fart flatulence and related conditions