Fig. 5. Polygonal phagocytes take up opsonized yeast. Confocal microscopic image of
S. purpuratus coelomocytes that had been incubated for 45 min with
CF-opsonized yeast. Yeast were stained with RITC (red) and SpC3 was detected
with anti-SpC3
'pep and G
RIg-A (green). pp, polygonal
phagocyte; dp, discoidal phagocyte. Scale bar, 50 µm.