Anatomical structure of the subcutaneous tissue on the anterior surface of human thigh
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- ISHIDA Teruki
- Department of Anatomy, Tokyo Medical University
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- TAKEUCHI Kyoko
- Department of Health Science, Graduate School of Teikyo Heisei University
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- HAYASHI Shogo
- Department of Anatomy, Tokyo Medical University
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- KAWATA Shinichi
- Department of Anatomy, Tokyo Medical University
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- HATAYAMA Naoyuki
- Department of Anatomy, Tokyo Medical University
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- QU Ning
- Department of Anatomy, Tokyo Medical University
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- SHIBATA Masakazu
- Faculty of Health and Social Services, Kanagawa University of Human Services
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- ITOH Masahiro
- Department of Anatomy, Tokyo Medical University
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抄録
The anterior thighs of 16 limbs from eight donated cadavers were observed using ultrasonic imaging and gross dissection with a specific focus on the subcutaneous tissue, which is considered an auxiliary element of locomotion. On ultrasonic imaging, the subcutaneous tissue was found to comprise multiple layers. The number of layers gradually decreased on progressing distally in the thigh. On gross dissection, a lot of fatty tissue and loose multiple laminar structures were observed in the medial and proximal areas. However, on progressing distally, these layers thinned out and became less fatty. Cutaneous nerves were apparent among the layers below the dermis. In addition, there were many associated fiber bundles between the dermis and muscle fascia, some of which appeared to be so-called skin ligaments that run through the subcutaneous tissue perpendicularly from the fascia to dermis, accompanying cutaneous nerve fibers and blood vessels. While identifying the peripheral cutaneous nerve fibers, several anastomosing rami and neural networks were recognized. These observations suggest that skin ligaments could be elements regulating motor restriction during muscular movement.
収録刊行物
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- Ｏｋａｊｉｍａｓ Ｆｏｌｉａ Ａｎａｔｏｍｉｃａ Ｊａｐｏｎｉｃａ
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Ｏｋａｊｉｍａｓ Ｆｏｌｉａ Ａｎａｔｏｍｉｃａ Ｊａｐｏｎｉｃａ 92 (1), 1-6, 2015
オカジマ・フォリア・アナトミカ・ヤポニカ編集部