Belanger, A M Movements of echinochrome granules during the early development of sea urchin eggs. [electronic resource] - Nature: New biology Sep 1972 - 81-3 p. digital Publication Type: Journal Article ISSN: 0090-0028 Standard No.: 10.1038/newbio239081a0 doi Subjects--Topical Terms: AnimalsColchicine--pharmacologyCytochalasin B--pharmacologyCytoplasmic Granules--drug effectsFemaleFertilizationOvum--cytologyPigmentationRadiation EffectsSea Urchins--cytology