a.Horizontal plate/ horizontal projection that articulate with the palatine process of the maxilla bone;forms the posterior portion of the hard palate.
b.Greater palatine foramen (posterior palatine foramen) / largest opening along the posterior part of the horizontal plate;passageway for the greater palatine nerve and vessels.
c.Lasser palatine foramina/ one or more small opening located posterior to the greater palatine foramen;passageways for branches of the lesser palatine nerve.