Is the placenta of a syphilitic mother more readily traversed by the complement-fixing antibody than by the flocculating antibody.
D000906:Antibodies; D005260:Female; D005427:Flocculation; D006801:Humans; D007136:Immunoglobulins; D009035:Mothers; D010920:Placenta / Q000502:physiology*; D011247:Pregnancy; D013587:Syphilis / Q000276:immunology*
D000906:Antibodies; D007136:Immunoglobulins
PLACENTA/physiology; SYPHILIS/immunology