The<unk>  (posterior<unk>  artery, posterior<unk> <unk>  artery) arises from the axillary artery at the lower border of the Subscapularis, and runs backward with the axillary nerve through the quadrangular space.
It winds around the neck of the humerus and is distributed to the Deltoideus and shoulder-joint, anastomosing with the anterior<unk><unk>  and profunda brachii.
Posterior humeral circumflex artery
Dorsalis pedis artery
Femoral artery
Radial artery
Thoracoacromial artery
Anterior tibial vein
Posterior tibial vein
Popliteal vein