常見(jiàn)例句The collecting duct is composed of the monolayer columnlike epithelia and there are abundant membrane labyrinths in cytoplast.收集琯由單層柱狀上皮細(xì)胞組成，胞質(zhì)內(nèi)可見(jiàn)較豐富的膜迷路。 返回 membranous labyrinth