brief exposure of culture-derived human macrophages to laminin , a glycoprotein component of all mammalian basement membranes that has a molecular weight of 1,000,000 , led to enhancement of subsequent macrophage phagocytosis of eac4b , eac3bi , and eaigg ( sheep erythrocytes sensitized with igg anti-forssman antibody ) .
C0022984
laminin
C0004799
basement membranes