columella

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

Definition of columella

plural

columellae

play \ˌkäl-yə-ˈme-(ˌ)lē, -ˌlī\
  1. 1 :  the central column or axis of a spiral univalve shell

  2. 2a :  the bony or partly cartilaginous rod connecting the tympanic membrane with the internal ear in birds and in many reptiles and amphibiansb :  the bony central axis of the cochlea

columellar

play \ˌkäl-yə-ˈme-lər\ adjective

Origin and Etymology of columella

New Latin, from Latin, diminutive of columna


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

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