Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Components (hierarchy name)
4. components (objects parts)
5. [components by specific context]
6. biological components
7. animal components

Anotations

Scope note:

The anterior parts of the body of humans and animals containing the mouth, special sense organs such as the eyes, nose, and ears, and the brain; typically separated by a neck or otherwise distinguished from the rest of the body.