# What is the upper jaw called?

The upper jaw is called the maxilla. Gray's Anatomy (1918) describes it as a pair of bones that together form the upper jaw.

## What it means

- A pair of bones that together form the upper jaw.
- Each contains a large air-filled cavity (the maxillary sinus).
- Carries the upper teeth in its lower border (the alveolar process).

## Action steps

1. In the middle of the face.
2. Between the eye sockets above and the mouth below.
3. Joins the nasal, zygomatic, frontal, and palatine bones.

## Sources

- [Gray's Anatomy of the Human Body (1918)](https://www.bartleby.com/107/)

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