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Testicular regulation of seasonal change in apocrine glands in the back skin of the brown bear
名前 / ファイル | ライセンス | アクション |
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full text (2.3 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||||||||||||||
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公開日 | 2018-07-27 | |||||||||||||||||
タイトル | ||||||||||||||||||
言語 | en | |||||||||||||||||
タイトル | Testicular regulation of seasonal change in apocrine glands in the back skin of the brown bear | |||||||||||||||||
言語 | ||||||||||||||||||
言語 | eng | |||||||||||||||||
キーワード | ||||||||||||||||||
言語 | en | |||||||||||||||||
主題Scheme | Other | |||||||||||||||||
主題 | glycocomposition, olfactory communication, skin gland, tree-rubbing, Ursus arctos | |||||||||||||||||
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 | journal article | |||||||||||||||||
著者 |
Tomiyasu, Jumpei
× Tomiyasu, Jumpei× 近藤, 大輔
WEKO
329
× Yanagawa, Yojiro× Sato, Yoshikazu× Sakamoto, Hideyuki× Matsumoto, Naoya× Sasaki, Kazuyoshi× 羽田, 真悟
WEKO
32
× 松井, 基純
WEKO
132
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抄録 | ||||||||||||||||||
内容記述タイプ | Abstract | |||||||||||||||||
内容記述 | Brown bears communicate with other individuals using marking behavior. Bipedal back rubbing has been identified as a common marking posture. Oily substances are secreted via enlarged sebaceous glands in the back skin of male bears during the breeding season. However, whether apocrine gland secretions are associated with seasonal changes remains unknown. The present study aimed to identify histological and histochemical changes in the secretory status and the glycocomposition of the apocrine glands in the back skin of male bears in response to changes in seasons and/or reproductive status. The apocrine glands of intact males during the breeding season were significantly larger and more active than those of castrated males during the breeding season and those of intact males during the non-breeding season. Lectin histochemical analyses revealed a more intense reaction to Vicia villosa agglutinin (VVA) in the cytoplasm, mainly Golgi zones of apocrine cells during the breeding season among castrated, compared with intact males. Positive staining for VVA was quite intense and weak in intact males during the non-breeding and breeding seasons, respectively. Ultrastructural analysis revealed VVA positivity in the Golgi zone, especially around secretory granules in apocrine cells. Changes in lectin binding might reflect a change in the secretory system in the apocrine cells. The present histological and histochemical findings of changes in the secretory status and glycocomposition of the apocrine glands according to the season and reproductive status suggest that these glands are important for chemical communication. |
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書誌情報 |
en : The Journal of Veterinary Medical Science 巻 80, 号 6, p. 1034-1040, 発行日 2018-05-01 |
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出版者 | ||||||||||||||||||
出版者 | The Japanese Society of Veterinary Science | |||||||||||||||||
ISSN | ||||||||||||||||||
収録物識別子タイプ | PISSN | |||||||||||||||||
収録物識別子 | 09167250 | |||||||||||||||||
DOI | ||||||||||||||||||
関連タイプ | isIdenticalTo | |||||||||||||||||
識別子タイプ | DOI | |||||||||||||||||
関連識別子 | 10.1292/jvms.17-0689 | |||||||||||||||||
権利 | ||||||||||||||||||
権利情報 | The Japanese Society of Veterinary Science | |||||||||||||||||
フォーマット | ||||||||||||||||||
内容記述タイプ | Other | |||||||||||||||||
内容記述 | application/pdf | |||||||||||||||||
著者版フラグ | ||||||||||||||||||
出版タイプ | VoR | |||||||||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||||||||
日本十進分類法 | ||||||||||||||||||
主題Scheme | NDC | |||||||||||||||||
主題 | 489.57 |