Providing a biological tissue holding device capable of holding a living tissue without burden as much as possible to the living tissue present invention relates body cavity. Has a, a holding portion 130 having adhesion and insertable elongated member 110 and 120, provided at the leading end of the elongated body 110 SOLUTION: A body cavity, the body cavity It is a biological tissue holding device 100 can hold a living tissue by adhesion in a liquid comprising water. [Selection] Figure Figure 1【課題】体腔内で生体組織に極力負荷を与えずに生体組織を保持することが可能な生体組織保持用デバイスを提供する。【解決手段】体腔内に挿入可能な長尺体110,120と、前記長尺体110,120の先端部に設けられて接着力を備えた保持部130と、を備えており、体腔内の水を含む液体中で接着力により生体組織を保持することが可能な生体組織保持用デバイス100である。【選択図】図1
