<prompt> The length of oesophagus in adult is10 cm15 cm20 cm25 cm  <response>: 25 cm 267-IBS4th 134-35-Snell 7thOESOPHAGUS It extends from the lower part of the neck to the upper part of the abdomen. The oesophagus is about 25 cm long 10 inch The pharyngo-oesophageal junction is the narrowed part of the alimentary canal except for the vermiform appendix. The oesophagus begins in the neck at the lower border of the cricoid cartilage. It ends by the opening into the stomach at its cardiac end at the level of 11th thoracic vertebra.Constriction-4DistanceCervicalBronchoaorticDiaphragmaticDuodenumDistance from incisor teeth6 in 15 cm10 in 25 cm16 in 41 cm22-26 in 56-66 cmDistance from nostrils7.2 in 18 cm11.2 in 28 cm17.2 in 44 cm23.2-27.2 in 59-69 cmArterial supply Upper third Inferior thyroid artery Middle third Oesophageal branches of the descending thoracic aorta Lower third Left gastric artery 