connecting branch of vessel supplies blood to deep femoral artery medial circumflex femoral artery The medial circumflex femoral artery (internal circumflex artery, medial femoral circumflex artery) is an artery in the upper thigh that helps supply blood to the neck of the femur. [WP,unvetted]. medial femoral circumflex artery arteria circumflexa femoris medialis MA:0001996 UBERON:0001356 FMA:20799 SCTID:244326008 Wikipedia:Medial_circumflex_femoral_artery artery neck of femur