The front and lower part of the carotid body is called the face. It consists of 14 bones in total. The facial bones are:
(i) Nasal bone: It is a rectangular bone. It forms the bridge of the nose.
(ii) Nasal Concha: A pair of thin and curved bones located on either side of the nasal cavity are the nasal concha.
(iii) Vomare: It is a quadrangular plate like bone. It forms the NASA interface.
(iv) Palatine bone: It forms the roof of the nose and the wall of the nasal cavity.
(v) Lacrimal bone: It consists of a lacrimal shaft, lacrimal sac and nasolacrimal duct.
(vi) Zygomatic bone: It is a quadrangular bone. It consists of an elevated part called the zygomatic arch.
(vii) Maxilla: The upper jaw consists of two equal maxillae. Right and left maxilla. It has four amplifiers. These are – zygomatic, palatine, frontal and alveolar.
(viii) Mandible: Mandible is the lower jaw. It looks U shaped. It consists of a trunk and 2 branches. It has two amplifiers. Coronoid and condyloid.