Constrictions in Esophagus by aoa is present at distance of from incisor
Construction of oesophagus at the following levels 15 cm-crossed by cricopharyngeus 22.5 cm-crossed by aoa 27.5 cm-crossed by left bronchus 37.5 cm-pierces the diaphragm All from incisor teeth BD CHAURASIA'S HUMAN ANATOMY VOL.1,PAGE NO 282
15 cm
25cm
30 cm
40 cm
Thorax