词根词缀：brachi-, brachio-

【来源及含义】Greek: arm [especially the upper arm from the shoulder to the elbow]

【同源单词】abrachia, abrachia, abrachiocephalia, abrachiocephalus, acephalobrachia, antebrachial

词根词缀：humero-, humer-

【来源及含义】Latin: shoulder, upper arm; pertaining to the bone that extends from the shoulder to the elbow

【同源单词】acromiohumeral, fracture of the humerus, humeral, humeroradial, humeroscapular, humeroulner