esophageal hiatus


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Related to esophageal hiatus: Aortic hiatus, caval foramen, esophageal hiatus hernia

esophageal hiatus

[ə¦säf·ə¦jē·əl hī′ād·əs]
(anatomy)
The opening in the diaphragm for passage of the esophagus.
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References in periodicals archive ?
The esophageal hiatus is a very dynamic area, moving with each breath and each swallow.
Among group B patients, 1 had an esophageal hiatus area measuring more than 4 [cm.sup.2] and was excluded from the present analysis, and 3 patients were lost at follow-up, leaving 12 and 17 patients in groups A and B, respectively, who were available for the study.
A pulsion diverticulum of esophagus in short horn cow close to the esophageal hiatus with sign of loss of condition and projectile expectoration of chewed ingesta are reported (Mc Gavin and Anderson; 1975).