Pericytes are located outside the endothelium. They help capillaries & venules contract to move blood along. You would need a lot of pericytes to move a bison as big and angry and stubborn as this one along. This bison is very mean. I suspect it is because people have been cutting out bits of him for their gourmet organic grass-fed bison burgers (yum!) with no regard for his comfort or happiness. Fifteen burgers from now, this bison will be nothing. Like the Wicked Witch of the West who left behind only her shoes, this Bison will leave behind only his hair and antlers in a heap on the ground. His only chance for escape is to learn to run like this (below). It is a much faster and more efficient way to get around than pericytes for sure.
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