Assertion: cervical trachea | /r/CapableOf | undergo additional flattening
Facets:
value: in older horses
type: OTHER
value: in ponies
type: OTHER
Source sentences:
text: In older horses and ponies, the cervical trachea can undergo some torsion and additional flattening, making identification of the center of a tracheal ring for a permanent tracheostomy difficult.