词根词缀：nervo-, nerv-, nervi-

【来源及含义】Latin: nerve fiber or sinew, nerves

【同源单词】adnerval, ansa nervorum spinalium, ansae nervispinalis, auditory nerve, axillary nerve, cranial nerves

词根词缀：troch-, trocho-

【来源及含义】Greek: that which is round[ed]; a wheel, a disk

【同源单词】trochal, trochanter, trochanteritis, trochlea, trochlear, trochlear nerve