Specializations of the lateral surface -intercellular connection of adjacent cells 冷 non-special: the minute space and cadherin(钙粘蛋白) cell adherent molecules 8o speclal: Junctional structures 1) Tight junction(紧密连接) 2) Intermediate junction(中间连接) 3) Desmosome(桥粒) 4) Gap junction(缝隙连接) 2121 Specializations of the lateral surface ---intercellular connection of adjacent cells: ❖ non-special: the minute space and cadherin(钙粘蛋白)- cell adherent molecules ❖ special: junctional structures 1) Tight junction (紧密连接) 2) Intermediate junction (中间连接) 3) Desmosome (桥粒) 4) Gap junction (缝隙连接)