mesonephrosWiktionary 原文构词拆分meso-前缀Middle or centre in location/position. · Between a macro- scale and micro- scale in scope or analysis.+nephros词根/词干词源说明From meso- + nephros.释义（英文）名词 Noun(biology) The second of the three excretory organs of the developing embryo; the Wolffian body.词族派生词（1）mesonephric