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more about columella
columella |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Columella \Col`u*mel"la\, n. [L., dim. of columen column. See {Column}.] 1. (Bot.) a An axis to which a carpel of a compound pistil may be attached, as in the case of the geranium; or which is left when a pod opens. b A columnlike axis in the capsules of mosses. 2. (Anat.) A term applied to various columnlike parts as the columella, or epipterygoid bone, in the skull of many lizards; the columella of the ear, the bony or cartilaginous rod connecting the tympanic membrane with the internal ear. 3. (Zo["o]l.) a The upright pillar in the axis of most univalve shells. b The central pillar or axis of the calicles of certain corals.
more about columella
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