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  • Title: Ultrastructural interaction between spermatozoon and human oviductal cells in vitro.
    Author: Vigil P, Salgado AM, Cortés ME.
    Journal: J Electron Microsc (Tokyo); 2012 Apr; 61(2):123-6. PubMed ID: 22355149.
    Abstract:
    The oviduct is an important organ for successful mammalian reproduction. In this work, human oviducts were inseminated and their explants analyzed using scanning electron microscopy in order to study, at a finer ultrastructual level, the interaction between spermatozoon and oviduct in vitro. Results show unequivocally a spermatozoon tightly attached through the acrosomal region of its head to several cilia of the human tubal epithelial cells. This finding proves that spermatozoa do indeed adhere to the endosalpinx, a fact of utmost relevance for the physiology of the reproductive process, since it supports the idea of a spermatozoa reservoir being formed in the oviduct, which is also briefly discussed.
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