The Patellar Arterial Supply via the Infrapatellar Fat Pad (of Hoffa): A Combined Anatomical and Angiographical Analysis

Figure 14

Deep vascular level, (1) vascular anastomosis of the deep level, out of the three it is the only one showing direct vascular connections to the bone; (2) one of the three anastomoses, (3) and (4) vascular connections between two anastomoses of the deep vascular layer, P: patella.