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KMID : 0644020170300020083
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Journal Of Korean Medical Classics
2017 Volume.30 No. 2 p.83 ~ p.98
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A Study on the Academic Discussion on the Presence of Upper and Lower Gates of Urinary Bladder
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Baik You-Sang
Jung Hyuk-Sang
Kim Do-Hoon
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Abstract
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Objectives : The paper's objective is to study into the books dealing in the debate surrounding the existence, or nonexistence, of urinary bladder's upper gate and lower gate, a debate that ensured since the publication of Huangdineijing.
Methods : Sikuquanshu and Zhongyishijia databases were searched to collect related materials, and these materials were reviewed to get an understanding of the historical development of the debate.
Results : The upper gates of urinary bladder was first mentioned in Nanjing. Since then, Wanglu's Yijingsuhuiji asserted that the upper gate exists while the lower didn't, but many argued after the dawning of Ming Dynasty that the upper doesn't exist while the lower does. Additionally, some urged in relation to the assertion of the nonexistence of upper gate that water liquid pervades into the urinary bladder through sebaceous membrane or oil net.
Conclusions : Behind the debate between the existence or nonexistence of the upper and lower gates in urinary bladder is the theory of qi transformation. Even the anatomical knowledge of urinary bladder was submitted as an evidence. In general, the debate developed depending on how the differences between Huangdineijing's osmotic opinion and Nanjing's existence of the upper gate were perceived.
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KEYWORD
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Urinary bladder , Upper gate , Lower gate , Medical argument
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