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Hyaloid artery (paired arrows) and one of its branches (arrow) in a 12 WG eye comparing double labeling with CD31+NG2 (A–H) and CD31+αSMA (I–P). NG2 immunoreactivity is found exclusively in all pericytes (arrowheads in E–H) while αSMA was only associated with abluminal cells of the main hyaloid artery. Pericytes were not immunoreactive for αSMA on smaller vessels. Scale bar in A, I = 10 μm, and in E,M = 5 μm.
