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. Author manuscript; available in PMC: 2008 Apr 3.
Published in final edited form as: Exp Physiol. 2007 Apr 13;92(4):635–640. doi: 10.1113/expphysiol.2006.036376

Figure 5. Propagated glial Ca2+ waves evoke vasodilatation in distant arterioles.

Figure 5

A–D, a Ca2+ wave produced by ejection of ATP propagates through glial cells at the surface of the retina. The Ca2+ wave dilates an arteriole when it reaches the vessel. The site of focal ATP ejection, used to initiate the Ca2+ wave, was just beyond the upper right corner of the images. Scale bar represents 20 μm.