microdialysisWiktionary 原文英美构词拆解micromicro-前缀dialysisdialysis词干micro-(diminutive) Very small. · (metric units) One millionth.词源说明From micro- + dialysis.释义名词noun1(biochemistry) A technique in which a short length of dialysis membrane is introduced into a biological tissue in order to collect samples of fluid for analysis.