Term Name: columnella
Synonyms:
Definition: A central anatomical feature of a coiled snail shell or gastropod shell. It is often only clearly visible as a structure when the shell is broken, or sliced in half vertically, or in an X-ray.
Ontology: Uberon Ontology [UBERON:0008283]

Relationships
is part of: mollusc shell
is a type of: organism subdivision
disjoint_from: columella nasi
inverse disjoint_from: stapes bone