blastomeres were examined for the incidence and orientation of their surface polarity , as assessed by binding of fitc-con a and by distribution of microvilli , and of their cytoplasmic polarity , as assessed by distribution of cytoplasmic actin , clathrin and a 100 kd antigen associated with the lysosomal/acid vesicle fraction of membranous organelles .
C0010834
cytoplasmic
C0230812
the lysosomal