We read the article by Winther and Innes1 with interest. In this article the presence of M cells in the adenoid epithelium is demonstrated extensively not only by transmission electron microscopy (as we2 had demonstrated 10 years earlier) but also by scanning electron microscopy. To our knowledge our article is the first to appear in the literature. We cannot accept the authors' lapse in ignoring our article2 in which the existence of M cells was described "as a characteristic cellular type found on the surface of the adenoid epithelium," and that "under normal conditions the reticulation of the adenoid epithelium is found only in the zones that had their surface covered by M cells." In the "Comment" section of our article, we indicated that "such an idea raises the M cells of the adenoid epithelium to the position of key cells for the immunogenesis in the nasopharyngeal
archev T, Kabakchiev P. The Human Adenoid. Arch Otolaryngol Head Neck Surg. 1995;121(7):816. doi:10.1001/archotol.1995.01890070102028
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