词根词缀：cephalo-, cephal-; -cephalic, -cephalism, -cephalous, -cephalus; -cephaly

【来源及含义】Greek: head

【相关描述】Sometimes these "head" elements are also written as: kephalo-, kephal-, etc.

【同源单词】abrachiocephalia, abrachiocephalus, acanthocephalid, acepalothoracia, acephalia, acephaline

词根词缀：ortho-, orth-

【来源及含义】Greek: right, straight, correct, true; designed to correct

【同源单词】anorthographic, anorthography, anorthopia, anorthosis, diorthosis, orthergasia