[概述]7.2 Axilla, Arm 、amp; Cubital Fossa 腋窝、手臂与肘窝

It articulates distally with the radius and ulna at the elbow joint . radial groove桡神经沟the groove that spirals around the posterior surface of the shaft of the humerus .Notes : it is a depression for the radial nerve and the deep brachial vessels .Ulna尺骨t ......