columella
noun
col·u·mel·la
ˌkäl-yə-ˈme-lə 
plural columellae
ˌkäl-yə-ˈme-(ˌ)lē
-ˌlī
1
: the central column or axis of a spiral univalve shell
2
a
: the bony or partly cartilaginous rod connecting the tympanic membrane with the internal ear in birds and in many reptiles and amphibians
b
: the bony central axis of the cochlea
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“Columella.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/columella. Accessed 1 Dec. 2024.
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columella
noun
col·u·mel·la
ˌkäl-(y)ə-ˈmel-ə
plural columellae
-ˈmel-(ˌ)ē also -ˌī
1
: any of various anatomical parts likened to a column:
a
: the bony central axis of the cochlea
b
: the lower part of the nasal septum
2
: the central sterile portion of the sporangium in various fungi (Mucor and related genera)
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