This shows cerebral arterial circulation showing the left brain hemisphere of a C57BL/6 mouse and the right hemisphere of BALB/c mouse. Note the difference typical for these strains in number of collaterals (red stars).
Chapel Hill, NC (Scicasts) – Researchers at the University of North Carolina (UNC) have uncovered the genetic architecture which controls the growth of the "back-up" blood vessels that can provide oxygen to starved tissues in the event of a heart attack or stroke – also known as collateral circulation.











