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Columella is Latin meaning "little column". It may refer to: *Columella (4 - ca. 70), a Roman writer ==Biology== *Columella (gastropod), an anatomical feature of a coiled snail shell or gastropod shell. *''Columella'' (genus), a genus of land gastropods, in the family Vertiginidae. *In mycology, the central sterile portion of the sporangium in various fungi. *In corals, the central axis structure of a corallite formed by the inner ends of the septa. *In human anatomy, ''Columella nasi'', the fleshy external end of the nasal septum. *Columella (auditory system), a part of the auditory system of amphibians, reptiles and birds, corresponding to the stapes in mammals. *Columella (root), in plant anatomy, a distinct tissue layer in the very tip of the root. It is a column of cells bellow the quiescent centre (QC = stem cells in the growing tip of the root). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Columella (disambiguation)」の詳細全文を読む スポンサード リンク
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