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. Author manuscript; available in PMC: 2008 Mar 16.
Published in final edited form as: Trends Cardiovasc Med. 2007 Apr;17(3):77–83. doi: 10.1016/j.tcm.2007.01.002

Figure 2.

Figure 2

The coronary vascular plexus consists of two subsets of blood vessels. Left and middle, H&E-stained histological sections of murine embryonic hearts showing the formation of the subepicardial mesenchyme (SEM) between E11.5 and E13.5. Right, Histological section of a PECAM-stained E13.5 heart revealing two sets of developing coronary vessels. The intramyocardial blood vessels (intramyo. BV) course through the myocardial wall, whereas the subepicardial blood vessels (subepi. BV) grow within the subepicardial mesenchyme.