In an endoscope 2 including a rear grasping portion 22 extending along a second longitudinal axis O2 that is a direction flexed relative to a first longitudinal axis O1 along which the operation portion body 20 extends, a bend preventing portion 40 covering a universal cable 12 extending out from the proximal end side of the rear grasping portion 22 is joined to the proximal end side of the rear grasping portion 22 via a movable joint portion 41 so that a direction of the bend preventing portion 40 can be changed by the movable joint portion 41 to a first direction oriented to the inner side in the flexion direction of the rear grasping portion 22 relative to the operation portion body 20 and a second direction oriented to the outer side in the flexion direction of the rear grasping portion 22 relative to operation portion body 20.