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The tubular tissue connecting the polyps of a hydroid colony.
Polyps are single-cavity sea invertebrate cnidarians (ocean animals that have tentacles surrounding the mouth; for example, sea anemones, corals, and jellyfish) in their sedentary stages that attach to a rock at one end of their cylindrical bodies and have tentacled mouths at the other end.
This entry is located in the following units:
ceno-, cene-, cen-, ceoen-, ceoene-, coeno-, coen-, coino-, coin-, kaino-, kain-, koino-, koin-
sarco-, sarc-, -sarcous, -sarc, -sarcoma, -sarcomatous, -sarcomatoid