title: Relative deficiency of intracellular relaxing system observed in presumptive furrowing region in induced cleavage in the centrifuged sea urchin egg.
mesh_terms: D003594:Cytoplasmic Granules; D004447:Echinodermata; D004625:Embryo, Nonmammalian / Q000187:drug effects; D005314:Embryonic and Fetal Development; D005455:Fluorescent Antibody Technique; D006982:Hypertonic Solutions; D008938:Mitosis / Q000187:drug effects*; D009940:Organoids; D014020:Tissue Extracts / Q000494:pharmacology*
chemical_list: D006982:Hypertonic Solutions; D014020:Tissue Extracts