位置:在膝关节囊周围及髌骨前面。浅网在皮下浅筋膜中,深网在肌腱和韧带深面,浅网与深网互有吻合。组成:旋股外侧动脉降支、膝降动脉、膝上外动脉、膝上内动脉、膝下外动脉、膝下内动脉、胫前返动脉、旋腓骨动脉(胫后动脉或胫。前动脉分支)。Descending genicular artery膝降动脉Descending branch of lateral circumflex femoral artery Medial superior genicular artery膝上内动脉旋股外侧动脉降支.Poplite a ......