Espiral Atlas
Anatomical regionHead and neck

Killian's triangle

trigonum Killiani

A weak area in the posterior wall of the lower pharynx, just above the esophagus: between the oblique fibers of the inferior constrictor (thyropharyngeal part), above, and the transverse fibers of the cricopharyngeus muscle, below.

Head and neck – 3D human anatomy atlas

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