https://peertube.lagbag.com/videos/watch/5895287c-2953-4f5b-8725-4d2d352ad976 There are a lot of tiny lines on fingertips and palm called epidermal ridges. The ducts of sweat glands is open on tops of the ridges causing prints that are left on a surface. ↓↓ more microscope videos. https://www.youtube.com/channel/UC-J_sZGnCz3-2XKJijYdnOA 指先や掌には、「皮膚隆線」という線状の隆起がたくさん並んでいます。皮膚隆線には汗腺の穴が規則的に並んでいて、ここから常に汗が分泌されています。ものに触れたときに指紋がつくのは、このためです。 For inquiries about this image, please contact here. TIMELAPSE VISION INC. https://timelapsevision.com/en/ この映像のご使用についてはこちらまでお問い合わせください。 株式会社タイムラプスビジョン http://timelapsevision.com/ This video is being managed exclusively by Newsflare. To use this video for broadcast or in a commercial player go to: https://www.newsflare.com/video/104112/other/fingerprints-and-sweat-glands or email: newsdesk@newsflare.com or call: +44 (0) 8432 895 191 Thu, 04 Jun 2026 22:40:18 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://peertube.lagbag.com https://peertube.lagbag.com/client/assets/images/icons/icon-1500x1500.png https://peertube.lagbag.com/videos/watch/5895287c-2953-4f5b-8725-4d2d352ad976 All rights reserved, unless otherwise specified in the terms specified at https://peertube.lagbag.com/about and potential licenses granted by each content's rightholder.