The ambulacrum or double row of pores for the protrusion of the tube feet in sea urchins.
| 单词 | θ33446 |
| 释义 | the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Echinodermata > [noun] > subphylum Eleutherozoa > class Echinoidea > member of (sea-urchin) > parts of > ambulacrum (1) avenue1841 The ambulacrum or double row of pores for the protrusion of the tube feet in sea urchins. |
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