词根词缀：encephalo-, encephal-

【来源及含义】Greek: brain; that which is inside the head

【同源单词】amyelencephalia, anencephalia, anencephalic, anencephalology, anencephalous, anencephaly

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