part_of part of part of secretion of exocrine gland esophagus esophagus secretion MA:0002514 UBERON:0004794 NCIT:C52555 gullet secretion oesophagus secretion FMA:79662 secretion of esophagus esophageal secretion secretion of gullet secretion of oesophagus A secretion that is part of a esophagus [Automatically generated definition].