Tennis elbow is a tendonitis which occurs in the tendon that connects the muscle in the forearm to the bone.
网球肘是一种腱炎，它发生于使前臂肌肉与骨骼相连的腱中。
A point on the elbow where the ulnar nerve runs close to the surface and produces a sharp tingling sensation if knocked against the bone.
肘部的一个突起，此处尺骨神经接近表皮层，一碰到骨头就会产生刺痛感。
Primate arms have one long bone, the humerus, in the upper arm above the elbow, and two thinner bones, the radius and ulna, in the forearm.
灵长类的上臂有一根长骨（肱骨），前臂有两根细骨（尺骨和桡骨）。
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