concha

A structure comparable to a shell in shape such as the auricle or pinna of the ear or turbinate bones (superior, middle & inferior nasal concha) in the nose.

Specific

auricle (pinna) inferior nasal concha (inferior turbinated bone) middle nasal concha (middle turbinated bone) superior nasal concha (superior turbinated bone)

References

Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999