apodeme
/ˈæpəˌdim/
noun
- An internal ridge or process of the exoskeleton of an arthropod (such as an insect or crustacean) that serves as an attachment point for muscles.
- Scientists studied the apodeme to understand how the crab moves its claws.
- The insect's apodeme provides a strong anchor for its wing muscles.
- Damage to the apodeme can impair a beetle's ability to walk.