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Of these, the traumatic anosmics' olfactory epithelia were quite disorganized; the orderly arrangement of supporting cells, ciliated olfactory receptor neurons, microvillar cells, and basal cells was disrupted. Although many somata of ciliated olfactory receptors were present, few of their dendrites reached the epithelial surface. The few olfactory vesicles present usually lacked olfactory cilia. The postviral anosmics, too, had a greatly reduced number of intact ciliated olfactory receptor neurons, and most of those present were aciliate. The post\u2010viral hyposmics had a larger population of intact, ciliated olfactory receptor cells. In the seven cases of congenital anosmia studied, no biopsies of olfactory epithelium were obtained, indicating the olfactory epithelium is either absent\u2014or greatly reduced in area\u2014in these individuals. \u00a9 1992 Wiley\u2010Liss, Inc.<\/jats:p>","DOI":"10.1002\/jemt.1070230202","type":"journal-article","created":{"date-parts":[[2005,2,23]],"date-time":"2005-02-23T17:38:35Z","timestamp":1109180315000},"page":"103-110","source":"Crossref","is-referenced-by-count":74,"title":["Ultrastructural histopathology of human olfactory dysfunction"],"prefix":"10.1002","volume":"23","author":[{"given":"David T.","family":"Moran","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bruce W.","family":"Jafek","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pamela M.","family":"Eller","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"suffix":"III","given":"J. 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