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The carrier vesicles (arrows) dock with the acidosomes and
then fuse with these larger vesicles before or as the vesicles dock at
the nascent DV. Thus the contents of the carrier vesicles are first
exposed to an acid environment in the acidosomes and phagoacidosomes
and then to digestion in the phagolysosomes. (For a discussion of
acidosome development see Allen, Ma and Fok, J. Cell Sci. 106:411-422,
1993). EM taken on 7/19/88 by C. Schroeder with Zeiss 10A TEM. Neg.
24,800X. Bar = 0.2µm. Small part published in J. Cell Sci.
106:411-422, 1993.
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