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. Author manuscript; available in PMC: 2017 Jan 1.
Published in final edited form as: Anat Rec (Hoboken). 2015 Nov 28;299(1):25–41. doi: 10.1002/ar.23283

Figure 3.

Figure 3

A. this coronal section includes a capillary plexus (Cap) that is established within a epicardial cushion (Epi-cus) at the root of the aorta (Ao) in a S17 embryonioc heart. B, the capillary plexus (in this oblique section) penetrates the aorta (S18 embryo), which results in the formation of a coronary ostium. Note the presence of erythroblasts that accompany the vascular plexus at the site of the coronary ostium. The region between the broken lines contains the capillaries and cells that are penetrating the aortic root. Magnification bar = 100 μm.