词根词缀：centro-, centr-, centri-, kentro-

【来源及含义】Greek > Latin: center; middle point, mid point; focus, focal point, focalize; zero in on

【相关描述】This element originally meant "sharp point, goad" or "spur".

【同源单词】acentric, acentric, acrocentric, allocentric, ambulatory surgery center, amphicentric

词根词缀：pleuro-, pleur-

【来源及含义】Greek: side, rib; a thin membrane with two layers that line the chest cavity

【相关描述】One lining the outside of the lungs and the other the inside of the chest cavity; fluid between the two layers provides lubrication and so allows smooth, uniform expansion and contraction of the lungs during breathing; pertaining to the side.

【相关词根词缀】 Cross references of word families that are related, partially or totally, to: "breast, breasts, chest": mammill-; mammo-; masto-; mastoido-; mazo-; pectoro-; sterno-; stetho-; thorac-.

【同源单词】cutis laxa, pleura, pleurectomy, pleuric, pleurisy, pleuritic