Capitulum
- Pronunciation
- /kuh-PIT-yuh-luhm/
- Category
- Anatomy
- Singular
- Capitulum
- Plural
- Capitula
Definition
A small, head-like structure; in arachnids, it refers to the structure comprising the mouthparts.
Etymology
From Latin 'capitulum', meaning 'little head', diminutive of 'caput', meaning 'head'.
Example
The capitulum in ticks houses the mouthparts, including the chelicerae and hypostome, used for feeding.
Synonyms
- Gnathosome
- Head
Related Terms
- Chelicerae
- Hypostome
- Arachnid anatomy
Usage Notes
The term capitulum is used specifically in reference to the gnathosomatic structure of certain arthropods, including arachnids like ticks and mites.