columellar
/ˌkɑljəˈmɛlər/
adjective
- Relating to the columella, especially the central column of a snail shell or the nasal columella.
- The surgeon made a small incision along the columellar area of the nose.
- The columellar fold in the shell is a key feature for identifying the species.
- The columellar muscle helps the snail retract into its shell.