Zoology. The central axis or pillar of the visceral chamber of many corals.
| 单词 | θ32174 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > class Anthozoa Actinozoa > member of > axis of visceral chamber (1) columella1848 Zoology. The central axis or pillar of the visceral chamber of many corals. |
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