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“actinoblast”
The mother cell from which a spicule (small needle-like structure or part) is developed: An actinoblast forms each ray of a sponge's radiate spicule, called a "scleroblast".
The sponges are members of the phylum Porifera.
This entry is located in the following unit:
actino-, actin-, actini-, -actinal, actis- +
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