Capillary spacing around coronary venules suggests that diffusion distance is controlled by local tissue pO2.
D000818:Animals; D002196:Capillaries / Q000033:anatomy & histology; D003331:Coronary Vessels / Q000033:anatomy & histology*; D004058:Diffusion; D009206:Myocardium / Q000378:metabolism*; D010101:Oxygen Consumption; D051381:Rats; D014699:Venules / Q000033:anatomy & histology