词根词缀：acro-, acr-

【来源及含义】Greek: high, highest, highest point; top, tip end, outermost; extreme; extremity of the body

【同源单词】acroagnosis, acroanesthesia, acroarthritis, acroasphyxia, acroataxia, acrobat

词根词缀：-al [-ial, -eal]

【来源及含义】Latin: suffix; pertaining to, like, of the kind of, relating to, characterized by, belonging to; action of, process of

【同源单词】abacterial, abdominal, abdominal adhesion, abdominal aorta, abdominal aortic aneurysm, abdominal aortography

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