[Chinese expert consensus on definition and terminology of colon and rectum: mesentery, fascia, and space (2023 edition)].

Anatomy is the foundation of surgery. However, traditional anatomical concepts based on autopsy are no longer sufficient to guide the development of modern surgery. With the advancement of histology and embryology and application of high-resolution laparoscopic technology, surgical anatomy has gradually developed. Meanwhile, some important concepts and terms used to guide surgery have emerged, including: mesentery, fascia, and space. The confusing, controversial, and even inaccurate definitions and anatomical terms related to colorectal surgery seriously affect academic communication and the training of young surgeons. Therefore, the Chinese Society of Colorectal Surgeons, the Chinese Society of Colorectal Surgery, National Health Commission Capacity Building and Continuing Education Center, and China Sexology Association of Colorectal Functional Surgery organized colorectal surgeons to make consensus on the definition and terminology of mesentery, fascia, and space related to colon and rectum, to promote surgeons' understanding of modern anatomy related to colorectal surgery and promote academic communication.解剖学是外科手术的基础，但基于尸体解剖的传统解剖学概念已经不足以指导现代外科手术的开展。随着组织胚胎学的深入研究和高分辨率腹腔镜下临床解剖的开展，外科医师对人体解剖的认知不断更新，同时也出现了用于指导外科手术的重要概念和名词，包括系膜、筋膜和间隙等。但是，这些概念和名词在不同时代涵义不同，同一名词命名不同，同一解剖结构在不同部位命名也不同，对国内学术交流及青年医师的培养十分不利。鉴于此，中国医师协会外科医师分会结直肠外科医师专业委员会、中华医学会外科学分会结直肠外科学组、国家卫生健康委员会能力建设和继续教育外科学专家委员会结直肠外科专业委员会和中国性学会结直肠肛门功能外科分会共同牵头，组织全国结直肠外科专家，对结直肠手术相关的系膜、筋膜和间隙进行统一的描述和命名，以使外科医师更加深入地理解结直肠手术相关的现代解剖学，并促进学术交流。.