Cornicle
- Pronunciation
- /KOR-ni-kuhl/
- Category
- Anatomy
- Singular
- Cornicle
- Plural
- Cornicles
Definition
A pair of small dorsal tubular structures found on the back of aphids that secrete defensive substances.
Etymology
Derived from the Latin 'corniculum', meaning 'little horn'.
Example
When threatened, the aphid emits a waxy secretion from its cornicles to deter predators.
Synonyms
Related Terms
- Aphid
- Defensive secretions
- Dorsal structures
Usage Notes
Cornicles are specifically associated with aphids and their defensive mechanisms.