Introduction to Head and Neck Anatomy

5. The Face

The face is the anterior part of the head, extending from the forehead to the chin and from one ear to the other. It serves as a key aspect of our identity, making alterations due to birth defects, scarring, or trauma have significant emotional and psychological consequences beyond their physical implications.

The fundamental shape of the face is determined by the underlying bones, while its individuality arises from anatomical variations in the shape and prominence of facial features, the deposition of fatty tissue, skin color, aging effects, and the nature and placement of hair on the face and scalp. In infants, the relatively large buccal fat pads help maintain cheek fullness during sucking, giving them a chubby appearance.

Facial bones grow more slowly than those of the calvaria. By the age of seven, the ethmoid bone, orbital cavities, and upper parts of the nasal cavities are nearly fully developed. As the orbits expand and the nasal septum grows, the maxillae move infero-anteriorly. Considerable facial growth continues throughout childhood, coinciding with the development of paranasal sinuses and the eruption of permanent teeth.

The face is essential for communication, serving as the primary interface for our interactions with others. While the shape and features of the face establish our identity, much of the impact we have on others and their perceptions of us come from how we utilize facial muscles to create subtle alterations in our expressions.