In whelks and related gastropods, and in nemerteans: the anterior opening of the rhynchodaeum, through which the proboscis is everted.
| 单词 | θ32871 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Gastropoda > [noun] > member of > parts of > opening of rhynchodaeum (1) rhynchostome1894 In whelks and related gastropods, and in nemerteans: the anterior opening of the rhynchodaeum, through which the proboscis is everted. |
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