title: The sea urchin egg as a testing object in toxicology.
mesh_terms: D000818:Animals; D001846:Bone Development / Q000187:drug effects; D002454:Cell Differentiation / Q000187:drug effects; D002462:Cell Membrane / Q000187:drug effects; D002467:Cell Nucleus / Q000187:drug effects; D002701:Chloramphenicol / Q000633:toxicity*; D002746:Chlorpromazine / Q000633:toxicity*; D002875:Chromosomes / Q000187:drug effects; D005260:Female; D005306:Fertilization / Q000187:drug effects; D005855:Germ Layers / Q000187:drug effects; D007099:Imipramine / Q000633:toxicity*; D007422:Intestines / Q000187:drug effects; D007814:Larva / Q000166:cytology / Q000187:drug effects; D008297:Male; D008854:Microscopy, Electron; D008938:Mitosis / Q000187:drug effects; D009538:Nicotine / Q000633:toxicity*; D010063:Ovum / Q000187:drug effects*; D012617:Sea Urchins / Q000187:drug effects* / Q000196:embryology; D013094:Spermatozoa / Q000187:drug effects; D013792:Thalidomide / Q000633:toxicity*
chemical_list: D013792:Thalidomide; D002701:Chloramphenicol; D009538:Nicotine; D007099:Imipramine; D002746:Chlorpromazine