Cranium
- Pronunciation
- /KRAY-nee-um/
- Category
- Anatomy
- Singular
- Cranium
- Plural
- Crania
Definition
In vertebrates, the cranium is the part of the skull that encloses the brain. In insects, this term is not commonly used; instead, 'head capsule' is more accurate.
Etymology
From Latin 'cranium', meaning 'skull'.
Example
The cranium of a beetle should be referred to as its head capsule, which provides protection for its brain and other vital organs.
Related Terms
- Head capsule
- Exoskeleton
Usage Notes
In entomology, 'head capsule' is a more appropriate term for insects.