British spelling variant meaning surrounding or encircling the esophagus; alternative form of circumesophagal.
From circum- and oesophagal (British spelling of esophageal, using the Greek 'oe' diphthong). Represents regional spelling preferences in medical terminology.
British and American medical students have to learn both spellings—oesophagus vs. esophagus—which is why some anatomy textbooks read like they're in two different languages despite being written in English.
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