Fig. 9From: Establishment of primary human breast cancer cell lines using “pulsed hypoxia” method and development of metastatic tumor model in immunodeficient miceUltrastructure of established tumorigenic cell lines. Electron microscope images of ultrathin sections. a General view BrC3e cell nucleus (N) with myelin-like structures in the sidebar. b Fragment of two adjacent cells with numerous protuberances of plasmalemma. c Polysomes in the cytoplasm (red arrows). d Stack of granular endoplasmic reticulum (ER) e General view BrCCh2e cell nucleus (N) with large nucleolus (red arrows), the contour is encircled with cytoplasmic organelles. f Cytoplasm fragment with numerous mitochondria (green arrows) and Golgi (circled); ER cisterns are shown by red arrow. g Cells with abnormal cytoplasm. h Intermediate filaments in the cytoplasm. i Stack of granular ER. j General view BrCCh4e, myelin-like structure in the sidebar. k Cytoplasm fragment with mitochondria (green arrows), stack of granular ER (red arrows) and Golgi (circled), l Cells with a broad cytoplasm. m Fibers and fiber bundles of intermediate filamentsBack to article page