You're thinking of the femoral artery
No, I'm not. I'm thinking of the femur itself.
"The femur is very vascular and fractures can result in significant blood loss into the thigh. Up to 40% of isolated fractures may require transfusion."
Femur Injuries and Fractures
Article Last Updated: Jul 20, 2006
Author: Douglas F Aukerman, MD, Assistant Professor, Department of Orthopedics and Rehabilitation, Division of Sports Medicine, Penn State University