There are several tibia parts, including blood vessels and nerves that supply nutrients and signals to the bone. Other tibia structure includes: The upper end has a flat head with an intercondylar ...

Three main arteries in the leg supply blood to the foot: the peroneal (fibular) artery, the posterior tibial artery, and the anterior tibial artery. As the anterior tibial artery passes over the ...

Usually, the peroneal artery makes up the difference in terms of blood supply. Rarely, both the anterior and posterior tibial arteries are absent and alternative pathways are needed for blood flow.

Because red blood cells have a shelf life of only 42 days, a week’s supply of donated blood is ideal. Most banks have been making do throughout the pandemic with a three- to five-day supply.

Around this time last year, the blood supply situation was bleak. The COVID-19 pandemic had led to two years of canceled blood drives and staffing shortages at local blood banks. Supplies of blood ...