Figure 1

Morphology of CSQT-2 cell line. (A) Microphotograph of the cultural cell line CSQT-2 of different passages in culture. a: primary cell, b: Passage 3, c: Passage 55. (B) Scanning electron microscopy of CSQT-2 cells showing microvilli on cell surface (s.e.m., × 2000). (C) Transmission electron microscopy of CSQT-2 cell line displaying irregular desmosomes, mitochondrium, ribosomes and nuclei. (TEM, × 7 500).