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. 2010 Mar 21;2010:940741. doi: 10.1155/2010/940741

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Copyright © 2010 M. G. Gabrielli and D. Accili.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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(a) A CC cell shows its typical cytoplasmic lateral projections which separate the shell membrane (sm) from the capillaries of the blood sinus (bs). Original magnification: 11,200x; scale bar: 2 μm. (b) Apical pits are formed by CC cell membrane adjacent to the inner shell membrane (sm). Original magnification: 70,000x; scale bar: 0.5 μm. (c) Basal cells (BC), mitochondria-rich cells (MRC), and granule-rich cells (GRC) characterize the CAM allantoic epithelium which faces the allantoic cavity (AC). Original magnification: 21,700x; scale bar: 1 μm. M. G. Gabrielli, unpublished.