title: Characteristics of immunoglobulin synthesized early in the development of Xenopus laevis.
mesh_terms: D000818:Animals; D004625:Embryo, Nonmammalian / Q000276:immunology*; D007143:Immunoglobulin Heavy Chains / Q000032:analysis; D007147:Immunoglobulin Light Chains / Q000032:analysis; D007075:Immunoglobulin M / Q000032:analysis*; D007136:Immunoglobulins / Q000032:analysis / Q000096:biosynthesis*; D013997:Time Factors; D014981:Xenopus / Q000276:immunology*
chemical_list: D007143:Immunoglobulin Heavy Chains; D007147:Immunoglobulin Light Chains; D007075:Immunoglobulin M; D007136:Immunoglobulins