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[METHOD] Left sciatic nerve of twenty five rats was severed and ligated at the proximal portion of the sciatic notch. At two weeks, one month, two months, three months and six months after the severance, bilateral sciatic nerves were harvested from the severed level to the anterior and posterior root level. Morphological changes were investigated at three levels, i. e. 15-20 mm proximal to the severed level (level 1), just distal to the posterior root ganglion (level 2) and just proximal to the posterior root ganglion (level 3). Level 1 comprises motor and sensory fibers, level 2 and 3 comprise separate motor nerve fiber (anterior root) area and sensory nerve fiber (posterior root) area. With the particle size analizer, histogram of fiber diameters was made and mean diameter was calculated. [RESULTS] 1. At 15-20 mm proximal to the severed level (level 1) of the left sciatic nerve, axonal atrophy with myelin cleft, myelin crenation, infolded loops of myelin and redundant loops of myelin was observed. Besides, there were a few fibers which presented so-called indirect Wallerian degeneration and the histogram of fiber diameter shifted toward the side of smaller diameter. 2. At the anterior root level (level 2 and 3), motor fibers of anterior root showed slight degree of myelin crenation and their mean diameter was 80%-90% of that of the control with its histogram preserving two peaks as in the unaffected anterior root. 3. At level 2 and 3, i. e. distal and proximal to the posterior root ganglion, many sensory nerve fibers showed myelin infolding and redundant loops of myelin with marked increase of small-sized fibers with resultant decrease of mean diameter to 60-70% of that of the control and the histogram of sensory nerve diameters shifted markedly toward the side of smaller diameter.", "subitem_description_type": "Abstract"}]}, "item_7_full_name_3": {"attribute_name": "著者別名", "attribute_value_mlt": [{"nameIdentifiers": [{"nameIdentifier": "138041", "nameIdentifierScheme": "WEKO"}], "names": [{"name": "Narisawa, Hiroko"}]}]}, "item_7_publisher_7": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "新潟医学会"}]}, "item_7_select_19": {"attribute_name": "著者版フラグ", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "item_7_source_id_11": {"attribute_name": "書誌レコードID", "attribute_value_mlt": [{"subitem_source_identifier": "AN00182415", "subitem_source_identifier_type": "NCID"}]}, "item_7_source_id_9": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "00290440", "subitem_source_identifier_type": "ISSN"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "成澤, 弘子"}], "nameIdentifiers": [{"nameIdentifier": "138040", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2019-08-19"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "103(9)_760-771.pdf", "filesize": [{"value": "4.9 MB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 4900000.0, "url": {"label": "103(9)_760-771.pdf", "url": "https://niigata-u.repo.nii.ac.jp/record/22791/files/103(9)_760-771.pdf"}, "version_id": "99c75faf-aa82-4fd8-b8bf-034d02782208"}]}, "item_keyword": {"attribute_name": "キーワード", "attribute_value_mlt": [{"subitem_subject": "axonal degeneration", "subitem_subject_scheme": "Other"}, {"subitem_subject": "retrograde degeneration", "subitem_subject_scheme": "Other"}, {"subitem_subject": "peripheral nerve", "subitem_subject_scheme": "Other"}, {"subitem_subject": "軸索変性", "subitem_subject_scheme": "Other"}, {"subitem_subject": "逆行変性", "subitem_subject_scheme": "Other"}, {"subitem_subject": "末梢神経", "subitem_subject_scheme": "Other"}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "jpn"}]}, "item_resource_type": {"attribute_name": "資源タイプ", "attribute_value_mlt": [{"resourcetype": "departmental bulletin paper", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "ラット坐骨神経切断後の近位側有髄神経線維の経時的形態変化についての実験的研究", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "ラット坐骨神経切断後の近位側有髄神経線維の経時的形態変化についての実験的研究"}, {"subitem_title": "ラット坐骨神経切断後の近位側有髄神経線維の経時的形態変化についての実験的研究", "subitem_title_language": "en"}]}, "item_type_id": "7", "owner": "1", "path": ["456", "1206"], "permalink_uri": "http://hdl.handle.net/10191/41402", "pubdate": {"attribute_name": "公開日", "attribute_value": "2016-04-12"}, "publish_date": "2016-04-12", "publish_status": "0", "recid": "22791", "relation": {}, "relation_version_is_last": true, "title": ["ラット坐骨神経切断後の近位側有髄神経線維の経時的形態変化についての実験的研究"], "weko_shared_id": null}
  1. 0 資料タイプ別
  2. 03 紀要論文
  1. 250 大学院医歯学総合研究科(医)
  2. 20 紀要
  3. 02 新潟医学会雑誌
  4. 第103巻第9号

ラット坐骨神経切断後の近位側有髄神経線維の経時的形態変化についての実験的研究

http://hdl.handle.net/10191/41402
http://hdl.handle.net/10191/41402
66597323-b933-46d3-9346-06ecb0b0675b
名前 / ファイル ライセンス アクション
103(9)_760-771.pdf 103(9)_760-771.pdf (4.9 MB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 2016-04-12
タイトル
タイトル ラット坐骨神経切断後の近位側有髄神経線維の経時的形態変化についての実験的研究
タイトル
言語 en
タイトル ラット坐骨神経切断後の近位側有髄神経線維の経時的形態変化についての実験的研究
言語
言語 jpn
キーワード
主題Scheme Other
主題 axonal degeneration
キーワード
主題Scheme Other
主題 retrograde degeneration
キーワード
主題Scheme Other
主題 peripheral nerve
キーワード
主題Scheme Other
主題 軸索変性
キーワード
主題Scheme Other
主題 逆行変性
キーワード
主題Scheme Other
主題 末梢神経
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ departmental bulletin paper
その他のタイトル
その他のタイトル Experimental Study on Morphological Changes of Proximal Segment of Severed Sciatic Nerve of Rats at Different Time Lapses
著者 成澤, 弘子

× 成澤, 弘子

WEKO 138040

成澤, 弘子

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著者別名
識別子 138041
識別子Scheme WEKO
姓名 Narisawa, Hiroko
抄録
内容記述タイプ Abstract
内容記述 Morphological changes of proximal segment of severed rats' sciatic nerves at different time lapses after its severance at the sciatic notch together with difference in morphological changes between motor (anterior root) and sensory (posterior root) fibers were investigated with the following method and following results were obtained. [METHOD] Left sciatic nerve of twenty five rats was severed and ligated at the proximal portion of the sciatic notch. At two weeks, one month, two months, three months and six months after the severance, bilateral sciatic nerves were harvested from the severed level to the anterior and posterior root level. Morphological changes were investigated at three levels, i. e. 15-20 mm proximal to the severed level (level 1), just distal to the posterior root ganglion (level 2) and just proximal to the posterior root ganglion (level 3). Level 1 comprises motor and sensory fibers, level 2 and 3 comprise separate motor nerve fiber (anterior root) area and sensory nerve fiber (posterior root) area. With the particle size analizer, histogram of fiber diameters was made and mean diameter was calculated. [RESULTS] 1. At 15-20 mm proximal to the severed level (level 1) of the left sciatic nerve, axonal atrophy with myelin cleft, myelin crenation, infolded loops of myelin and redundant loops of myelin was observed. Besides, there were a few fibers which presented so-called indirect Wallerian degeneration and the histogram of fiber diameter shifted toward the side of smaller diameter. 2. At the anterior root level (level 2 and 3), motor fibers of anterior root showed slight degree of myelin crenation and their mean diameter was 80%-90% of that of the control with its histogram preserving two peaks as in the unaffected anterior root. 3. At level 2 and 3, i. e. distal and proximal to the posterior root ganglion, many sensory nerve fibers showed myelin infolding and redundant loops of myelin with marked increase of small-sized fibers with resultant decrease of mean diameter to 60-70% of that of the control and the histogram of sensory nerve diameters shifted markedly toward the side of smaller diameter.
書誌情報 新潟医学会雑誌
en : 新潟医学会雑誌

巻 103, 号 9, p. 760-771, 発行日 1989-09
出版者
出版者 新潟医学会
ISSN
収録物識別子タイプ ISSN
収録物識別子 00290440
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00182415
著者版フラグ
値 publisher
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