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columella

play
noun col·u·mel·la \ˌkäl-yə-ˈme-lə\

Definition of columella

plural columellaeplay \-ˈme-(ˌ)lē, -ˌlī\

  1. 1 :  the central column or axis of a spiral univalve shell

  2. 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

columellar play \-ˈme-lər\ adjective


Origin of columella

New Latin, from Latin, diminutive of columna


First Known Use: circa 1755


Medical Dictionary

columella

play
noun col·u·mel·la \ˌkäl-(y)ə-ˈmel-ə\

Medical Definition of columella

plural columellae \-ˈmel-(ˌ)ē also -ˌī\play

  1. 1:  any of various anatomical parts likened to a column:a:  the bony central axis of the cochleab:  the lower part of the nasal septum

  2. 2:  the central sterile portion of the sporangium in various fungi (Mucor and related genera)

columellar \-ər\play adjective
columellate \-ˌāt, -ət\play adjective



Learn More about columella

  1. Medical Dictionary: Definition of "columella"


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