cardioesophageal junction

(redirected from cardio-oesophageal junction)

e·soph·a·go·gas·tric junc·tion

terminal end of esophagus and beginning of stomach at the cardiac orifice; site of the physiologic inferior esophageal sphincter.

car·di·o·e·soph·a·ge·al junc·tion

(kahr'dē-ō-ē-sō-fā'jē-ăl jŭngk'shŭn)
The abrupt transition from esophageal mucosa to that of the cardiac portion of stomach, demarcated internally in the living by the z-line, and approximated externally by the cardiac notch.
Synonym(s): cardio-oesophageal junction.