Answer
There are two palatine bones. They form the posterior 1/3 of the nasal cavity Each palatine bone is in the form of an "L" made up of a perpendicular part and an horizontal part. The perpendicular part is a thin, delicate, irregularly-shaped structure that constitutes a wall between the nasal cavity and the orbit. The horizontal plate, the posterior 1/3 of the bone, has a hole called the greater palatine foramen (one in each palatine bone) which allows the passage of a nerve to the palate. There are also lesser palatine foramina --in the posterior part of the bone-- that allow transit of the lesser palatine nerves.
Work Step by Step
In their location, the palatine bones form part of the hard palate, part of the lateral walls of the nasal cavity, and part of the orbital floor.
