Fig. 1From: Comparison of transepithelial resistance measurement techniques: Chopsticks vs. EndohmPhase-contrast micrographs of mammalian epithelial cell lines: MDCK (a), MCF-7 (b) and MDA-MB-157 (c) cells were cultured in their respective media and photographed with a phase-contrast microscope at 10× (MDCK) and 20× (MCF-7 and MDA-MB-157) magnificationBack to article page