Vascular endothelial growth factor receptor 2–mediated angiogenesis is essential for gonadotropin-dependent follicle development
J. Clin. Invest. Ralf C. Zimmermann, et al. 112:659 doi:10.1172/JCI18740 [Go to this article.]

Figure 2
(a–c) Immunofluorescent staining of follicular vasculature of class 5b follicles on experimental day 1. (a) C, control group follicle; (b) S, PMSG-stimulated follicle; (c) T, treatment group follicle. Insert in b shows proliferating endothelial cells (arrow). Green: PECAM staining for blood vessels; red: BrdU staining for cell proliferation; yellow: combined staining indication of blood vessel proliferation.