title: Intracellular antigen of sea urchin eggs and embryos studies on ultrathin sections.
mesh_terms: D000179:Acrylates; D000818:Animals; D000917:Antibody Formation; D000937:Antigen-Antibody Reactions; D000941:Antigens / Q000302:isolation & purification*; D001666:Binding Sites, Antibody; D005260:Female; D005293:Ferritins; D005306:Fertilization; D005557:Formaldehyde; D008722:Methods; D008854:Microscopy, Electron; D008867:Microtomy; D010063:Ovum / Q000276:immunology*; D011817:Rabbits / Q000276:immunology; D012617:Sea Urchins / Q000276:immunology*; D012756:Sheep / Q000276:immunology; D013194:Staining and Labeling; D013997:Time Factors; D014817:Vitelline Membrane / Q000276:immunology; D005719:gamma-Globulins
chemical_list: D000179:Acrylates; D000941:Antigens; D005719:gamma-Globulins; D005557:Formaldehyde; D005293:Ferritins