Organism | : | Echinoderm Sea urchin |
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Species | : | Paracentrotus lividus |
Description | : | The ciliated epithelial cells forming the blastula secrete enzymes witch digest the fertilization envelope surrounding the blastula wich swims away using its ciliated cells - Reproduction, fertilization and development of sea urchin |
Tags | : | Blastula Fertilization |