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Syncytial streamers (arrows) in the vicinity of a decidual blood vessel in late pregnancy displayed granular VEGF and eNOS reactivity, and a linear pattern for cytokeratin-7 in the syncytial membrane. Intramural cytotrophoblasts (arrowheads) near the vessel lumen also expressed a granular eNOS reactivity, and intense intracytoplasmatic cytokeratin-7 staining. Bar = 100 μm.
