columellaWiktionary 原文/ˌkɒləˈmɛlə/词源链拉丁语Latin约前 75–公元 3 世纪columella‘small column’↓ 派生英语Englishcolumella词源说明From Latin columella (“small column”).释义名词noun1(biology) Any of various small structures in plants or animals that are columnar in shape.2(anatomy) The skin at the end of the septum which separates the nostrils.3comparative anatomyIn birds, reptiles, and amphibians, the small bone which carries vibration from the tympanum to the inner ear.