An endoscope includes: an elongate insertion portion including a bendable bending portion an elongate flexible body as a contained matter disposed in the insertion portion, which is flexed according to a bending action of the bending portion a protecting helical body in a helical shape formed by closely winding a wire having a predetermined elasticity, for sheathing and protecting at least a part of the flexible body that is flexed and a regulating portion for regulating a flexion of the protecting helical body, formed by securing adjacent wires of the protecting helical body to one another.
