The cavity between the mouth and the esophagus, lined by a mucous membrane and enclosed by muscles, and communicating also with the nasal cavity, Eustachian tubes, and larynx. Wow. That definition has a lot of other cool words in it. So does this one: In invertebrates: the part of the alimentary canal immediately posterior to the buccal cavity.
The cavity between the mouth and the esophagus, lined by a mucous membrane and enclosed by muscles, and communicating also with the nasal cavity, Eustachian tubes, and larynx.
Wow. That definition has a lot of other cool words in it. So does this one:
In invertebrates: the part of the alimentary canal immediately posterior to the buccal cavity.