词根词缀：astheno-, asthen-; -asthenia, -asthenic

【来源及含义】Greek: without strength

【同源单词】angiasthenia, angioasthenia, antasthenic, asthenia, asthenic, asthenobiosis

词根词缀：cerebro-, cerebr-, cereb-, cerebri-

【来源及含义】Latin: brain; that part of the brain that is concerned with the coordination of body movements

【同源单词】acerebral, cerebral, cerebralgia, cerebrasthenia, cerebrate verb, cerebriform