Maxillary Bone Anatomy Quiz and Flashcards

Study Notes

Maxillary Bones: Structure

Location and Pairing

The maxillary bones are a pair of bones located in the upper jaw
They form the upper jawbone and play a crucial role in forming the orbit, nasal cavity, and palate

Components

The maxillary bone consists of:
- Body: the main part of the bone
- Zygomatic process: projects laterally to form the prominence of the cheek
- Frontal process: extends upward to form part of the orbit
- Palatine process: forms the hard palate
- Alveolar process: contains sockets for the upper teeth
- Lacrimal process: forms part of the orbit and the nasal cavity

Surfaces

The maxillary bone has five surfaces:
- Anterior surface: forms the anterior wall of the maxillary sinus
- Posterior surface: forms the posterior wall of the maxillary sinus
- Medial surface: forms the lateral wall of the nasal cavity
- Lateral surface: forms the prominence of the cheek
- Inferior surface: forms the hard palate

Borders

The maxillary bone has four borders:
- Superior border: forms the inferior margin of the orbit
- Inferior border: forms the superior margin of the palate
- Medial border: forms the lateral wall of the nasal cavity
- Lateral border: forms the prominence of the cheek

Foramina

The maxillary bone contains several foramina (openings) that allow passage of nerves and blood vessels:
- Infraorbital foramen: transmits the infraorbital nerve and vessels
- Incisive foramen: transmits the nasopalatine nerve and vessels
- Greater palatine foramen: transmits the greater palatine nerve and vessels

Description

Quiz about the structure and components of the maxillary bones, including their location, components, surfaces, borders, and foramina. Learn about the role of the maxillary bones in forming the upper jaw, orbit, nasal cavity, and palate.