Oesophageal hiatus
Hiatus esophageus [oesophageus]
Definition
The oesophagus hiatus is one of the three opening in the diaphragm.
It allows the path to the oesophagus and its vessels as well as vagal trucks. It is surrounded by the end of the prolongations of the left and right crura sometimes known as “intermediate crura” (not distinct in all species).
References
Barone R. Anatomie comparée des mammifères domestiques, Tome 2, Arthrologie et myologie, 4th edition, Vigot, Paris, 2017.
Sisson S, Grossman JD. The anatomy of the domestic animals. 5th ed. Philadelphia: W.B. Saunders; 1975.
Evans HE, de Lahunta A. Miller’s anatomy of the dog, 4th edition, Elsevier Saunders, St Louis, 2012.
