The part of the alimentary canal and respiratory tract that extends from the back of the mouth and nasal cavity to the larynx and esophagus.
The part of the alimentary canal immediately behind the mouth in invertebrates that may be thickened and muscular, eversible and toothed, or adapted as a suctorial organ.
A thin-walled, cartilaginous tube connecting the larynx to the bronchi.
One of the cuticle-lined primary tubes in the respiratory system of an insect, which extend throughout its body.