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：meso-, mes-, mesi-

【来源及含义】Greek: middle, intermediate; close to a center line; between

【同源单词】brachymesophalangia, circumesophagal, dolichoeuromesocephalus, mesencephalic, mesencephalon, mesencephalotomy