The inferior phrenic artery is the primary blood-supply vessels for the diaphragm among them. The inferior phrenic artery and its branches are widely distributed in the center tendon and the diaphragm of sternum, ribs and waist. 其中,膈下动脉为膈肌的主要供血血管,膈下动脉及其分支广泛分布在中心腱和膈肌胸骨部、肋骨、腰部。