Which of the following is not a diahrosis ?

Ans. is 'c' i.e., Skull sutures Functional classification of joints (movement) Joints can also be classified functionally according to the type and degree of movement they allow: Synahrosis - Permits little or no mobility. Most synahrosis joints are fibrous joints (e.g., skull sutures). Amphiahrosis - Permits slight mobility. Most amphiahrosis joints are cailaginous joints (e.g., interveebral discs). Diahrosis - Freely movable. All diahrosis joints are synol joints (e.g., shoulder, hip, elbow, knee, etc.), and the terms "diahrosis" and "synol joint" are considered equivalent by Terminologia Anatomica