columella
/ˌkɑljəˈmɛlə/
noun
- A central column or axis in a structure, such as the central part of a snail shell or the bony part of the nose.
- The columella of the nose separates the two nostrils.
- The surgeon carefully reconstructed the columella during the rhinoplasty procedure.
- In biology class, we examined the columella of a sea snail shell under a microscope.
Synonyms