To provide a zygote for anastomosis, an insertion auxiliary tool for zygote for anastomosing a lymph duct with small diameter and other tubular body, and a combination of the zygote for anastomosis and insertion auxiliary tool for zygote.SOLUTION: A zygote 5 for anastomosis for jointing a lymph duct which is a first tubular body 1 and a second tubular body has a first end part 50 inserted into the lymph duct, a second end part 60 inserted into the second tubular body, and a trunk between the first and second end parts. The first end part is formed into a tapered shape in side view.SELECTED DRAWING: Figure 1【課題】径の小さなリンパ管と他の管状体とを吻合するために使用可能な吻合用接合子、接合子挿入補助具、および、吻合用接合子と接合子挿入補助具との組み合わせを提供する。【解決手段】第１管状体１であるリンパ管と第２管状体とを接合する吻合用接合子５は、リンパ管に挿入される第１端部５０と、第２管状体に挿入される第２端部６０と、第１端部と第２端部との間の胴体部とを具備する。第１端部は、側面視で、先細り形状を有する。【選択図】図１
