Assertion: esophagus's layer | /r/MadeOf | pharyngeal aponeurosis
Facets:
Source sentences:
text: The mucosal lining of the wall of the hypopharynx is separated from the prevertebral space by a fibrous layer formed by the pharyngeal aponeurosis; a muscular layer formed by the middle and inferior constrictors; the buccopharyngeal fascia; the retropharyngeal space; and the prevertebral fascia.