The incudo-malleal joint.
D004429:Ear Ossicles / Q000502:physiology*; D006801:Humans; D007188:Incus / Q000033:anatomy & histology / Q000502:physiology; D008023:Ligaments, Articular / Q000033:anatomy & histology; D008307:Malleus / Q000033:anatomy & histology / Q000502:physiology; D009119:Muscle Contraction; D014432:Tympanic Membrane / Q000033:anatomy & histology