Summary
An ultrastructural study of the mature follicular oocytes in domestic pig demonstrate a morphological relationship between the mitochondria and the cytoplasmic membranes immediately surrounding the yolk globules of the cells. Frequently, the cytoplasmic membranes are observed to be in close proximity of the mitochondria or are found to be continuous with the outer mitochondrial membrane. Sometimes the cytoplasmic membranes are found to display the formation of one or more oval loops of different diameter located at their presumed ends or free in the nearby cytoplasm. The significance of these observations is discussed in the light of the available informations, which suggest that the cytomembrane system in certain phases of development may take part in the formation of mitochondria.
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This work was supported by the Agricultural Research Council of Norway.
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Norberg, H.S. The morphological relationship between mitochondria and cytoplasmic membranes of the follicular oocyte in domestic pig. Z. Zellforsch. 124, 520–531 (1972). https://doi.org/10.1007/BF00335255
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DOI: https://doi.org/10.1007/BF00335255