title: Nuclear and cytoplasmic changes in early development of lithium treated sea urchin embryos.
mesh_terms: D000818:Animals; D050260:Carbohydrate Metabolism; D003593:Cytoplasm / Q000378:metabolism*; D004247:DNA / Q000096:biosynthesis; D004625:Embryo, Nonmammalian / Q000187:drug effects*; D005314:Embryonic and Fetal Development; D006651:Histocytochemistry; D008094:Lithium / Q000494:pharmacology*; D008722:Methods; D012617:Sea Urchins / Q000196:embryology*; D013194:Staining and Labeling; D013997:Time Factors
chemical_list: D004247:DNA; D008094:Lithium