Apophysis
- Pronunciation
- /uh-POF-uh-sis/
- Category
- Anatomy
- Singular
- Apophysis
- Plural
- Apophyses
Definition
A small, outgrowth or protuberance that extends from the exoskeleton of arthropods, often serving as a point of attachment for muscles or as a sensory structure.
Etymology
From Greek 'apo-', meaning 'from', and 'physis', meaning 'growth'.
Example
The apophysis on the leg of the spider aids in the attachment of vital muscles for movement.
Synonyms
- Protuberance
- Outgrowth
Related Terms
- Exoskeleton
- Muscle attachment
- Sensory structure
Usage Notes
Apophyses can vary in form and function depending on the specific needs of the arthropod species.