columella

/ˌkɒləˈmɛlə/

noun

(biology) Any of various small structures in plants or animals that are columnar in shape. / (anatomy) The skin at the end of the septum which separates the nostrils.

The columella is the central pillar of the snail's shell.

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詳細

意味（1）

(biology) Any of various small structures in plants or animals that are columnar in shape.

意味（2）

(anatomy) The skin at the end of the septum which separates the nostrils.

意味（3）

意味（4）

(malacology) In gastropods, the structure that extends down the middle of the whorls of the shell.

意味（5）

(coral science) The structure at the center of the calyx where the septa join together.

意味（6）

(mycology) The central sterile portion of the sporangium in various fungi.

意味（7）

(palynology) A rod-shaped reinforcing element of the sexine layer of a pollen grain.

詳細

columella

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