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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Standard anatomical position ： ウィキペディア英語版 Standard anatomical position Because animals can change orientation with respect to their environment, and because appendages (arms, legs, tentacles, ''etc.'') can change position with respect to the main body, it is important that anatomical terms of location refer to the organism when it is in its standard anatomical position. Thus, ''all descriptions are with respect to the organism in its standard anatomical position'', even when the organism in question has appendages in another position. However, a straight position is assumed when describing the proximo-distal axis. This helps avoid confusion in terminology when referring to the same organism in different postures. ==Human anatomy== Standard anatomical position is rigidly defined for human anatomy. In standard anatomical position, the human body is standing erect and at rest. Unlike the situation in other vertebrates, the limbs are placed in positions reminiscent of the supine position imposed on cadavers during autopsy. Therefore, the body has its feet together (or slightly separated), and its arms are rotated outward so that the palms are forward, and the thumbs are pointed away from the body (forearms supine). As well, the arms are usually moved slightly out from the body, so that the hands do not touch the sides.〔Marieb, E.N. Human Anatomy and Physiology pub: Benjamin/Cummings, ISBN 0-8053-4281-8〕〔Tortora, G.J. and Derrickson, B. Principles of Anatomy and Physiology. Wiley 2006 ISBN 0-471-68934-3〕 The positions of the limbs (and the arms in particular) have important implications for directional terms in those appendages. The penis in the anatomical position lies against the abdomen, hence the dorsal surface of the penis is actually anterior when the penis is pointing down between the legs.〔Faculty of Biological Science, University of Leeds: Introductory Anatomy http://www.leeds.ac.uk/chb/lectures/anatomy2.html〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Standard anatomical position」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.