Wistar系ラットにおける温熱性唾液分泌と体水分利用効率の系統差
書誌事項
- タイトル別名
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- Thermal salivation and body water economics among wistar rat strains.
- Wistar系ラットにおける温熱性唾液分泌と体水分利用効率の系統差〔英文〕
- Wistarケイ ラット ニ オケル オンネッセイ ダエキ ブンピ ト タイス
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Strain difference in thermoregulation under hot environment was studied among Wistar rat strains, especially in relation to thermal salivation and body water economics (BWE). Eight Wistar rat strains were exposed to an ambient temperature (Ta) of 42.5°C, 40%RH. Survival time (ST), saliva spreading (SS), body water loss (BWL), BWE, and wet weight of 3 salivary glands were determined. Strain difference in thermoregulatory ability was as large among Wistar rat strains as it was among non-Wistar rat strains. Crj: Wistar survived heat longer than the others. LEW/N Crj, HOS: Wistar, Wistar-Kyoto and Wistar/MS also survived heat longer than Jcl: Wistar, Wistar King A and Wistar/MK. Rats depend on extensive SS in order to survive the heat longer than 2 hr. BWE was highly efficient in strains showing more saliva spreading than others. There was no change in the wet weight of the submaxillary gland in terms of heat tolerance. These findings indicated that thermal salivation is a potential evaporative heat loss system in Ta higher than body temperature (Tb). Thermal salivation is supported by rapid body water mobilization in the early phase and by highly efficient BWE during the following long lasting hyperthermia.
収録刊行物
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- 日本獸醫學雜誌(The Japanese Journal of Veterinary Science)
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日本獸醫學雜誌(The Japanese Journal of Veterinary Science) 50 (2), 415-423, 1988
公益社団法人 日本獣医学会
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詳細情報 詳細情報について
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- CRID
- 1390282681399952640
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- NII論文ID
- 110003917762
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- NII書誌ID
- AN00191788
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- COI
- 1:STN:280:DyaL1c3lvFyltQ%3D%3D
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- ISSN
- 18811442
- 00215295
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- NDL書誌ID
- 3186585
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- PubMed
- 3386096
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- IRDB
- NDL
- Crossref
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可