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Webster 1913 Edition

(ĕksˊtrȧ-staȧ-pē′dĭ-al)

Adj.

(Anat.)

Pertaining to a part of the columella of the ear, which, in many animals, projects beyond the connection with the stapes.

–

Noun.

The extrastapedial part of columella.

extrastapedial ‎(not comparable)

(anatomy) Projecting beyond the stapes; applied to part of the columella of the ear.