FMA definition : Organ with organ cavity, each instance of which connects some cavity of middle ear
to some cavity of pharynx. Examples: There are only two pharyngotympanic tubes, the
right and the left pharyngotympanic tubes.;
Organ with organ cavity, each instance of which connects some cavity of middle ear
to some cavity of pharynx. Examples: There are only two pharyngotympanic tubes, the
right and the left pharyngotympanic tubes.