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To determine the biological significance, we analyzed effects of inflammation on numerical density, external figure and innervation of Merkel cells in human gingival mucosae from patients with chronic periodontitis by means of immunohistochemistry and electron microscopy. It was found that mildly inflamed gingival areas usually contained abundant Merkel cells and peripheral nerve fibers in their epithelia, whereas severely inflamed areas contained only small numbers of cells and nerve fibers. Merkel cells in mildly inflamed areas showed a high degree of polymorphism, and only oval- and round-shaped Merkel cells were in contact with nerve terminals. There were a number of Merkel cells atypically located in the prickle to granular cell layers in the mildly inflamed area. These results suggest that Merkel cells transiently disappear from gingival epithelia as a result of nerve fiber atrophy caused by severe inflammation but that these structures are regenerated as the inflammation abates. Electron microscopy revealed that some Merkel cells in the mildly inflamed epithelium make contact with lymphocytes and Langerhans cells. 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ヒト歯周炎罹患歯肉におけるメルケル細胞の分布および形態と神経支配について : 特に炎症との関連における解析
https://iwatemed.repo.nii.ac.jp/records/1335
https://iwatemed.repo.nii.ac.jp/records/13354d52add1-68ad-4ec4-a0ae-7a9a1c22efa7
名前 / ファイル | ライセンス | アクション |
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KJ00003984481 (2.1 MB)
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Creative Commons : 表示 - 非営利 - 改変禁止
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2005-12-20 | |||||
タイトル | ||||||
タイトル | ヒト歯周炎罹患歯肉におけるメルケル細胞の分布および形態と神経支配について : 特に炎症との関連における解析 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Distribution, morphology and innervation of Merkel cells in chronic human inflamed gingival tissues analyzed with special reference to the intensity of inflammation | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
記事種別(日) | ||||||
研究 | ||||||
記事種別(英) | ||||||
en | ||||||
Original | ||||||
著者名(日) |
上村, 理
× 上村, 理× 立花, 民子 |
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著者名よみ |
ウエムラ, タダシ
× ウエムラ, タダシ× タチバナ, タミコ |
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雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00017474 | |||||
書誌情報 |
岩手医科大学歯学雑誌 en : Dental journal of Iwate Medical University 巻 30, 号 3, p. 193-206, 発行日 2005-12-20 |