From: Analysis of the mechano-acoustic influence of the tympanic cavity in the auditory system
Component | Density (kg/m3) | Young’s modulus (N/m2) | Poisson’s ratio |
---|---|---|---|
Eardrum | |||
Pars tensa | 1.2 × 103a | 3.2 × 107i | 0.3d |
Pars flaccida | 1.2 × 103a | 1 × 107c | 0.3d |
Malleus | 1.9 × 103b | 1.41 × 1010e | 0.3d |
Incus | 1.9 × 103b | 1.41 × 1010e | 0.3d |
Stapes | 1.9 × 103b | 1.41 × 1010e | 0.3d |
Tympanic annulus | 1.2 × 103(supposed) | 6 × 105d | 0.3d |
Manubrium | 1.0 × 103c | 4.7 × 109c | 0.3d |
Tensor tympanic tendon | 2.5 × 103c | 2.6 × 106c | 0.3d |
Lateral mallear ligament | 2.5 × 103c | 6.7 × 104d | 0.3d |
Anterior mallear ligament | 2.5 × 103c | 2.1 × 106d | 0.3d |
Superior mallear ligament | 2.5 × 103c | 4.9 × 104d | 0.3d |
Incudal ligament | 2.5 × 103c | 6.5 × 105h | 0.3d |
Stapedial tendon | 2.5 × 103c | 5.2 × 105c | 0.3d |
Stapedial annular ligament | 2.5 × 103c | 2 × 105f | 0.3d |
Incudomallear joint | 3.2 × 103d | 1.41 × 1010d | 0.3d |
Incudostapedial joint | 1.2 × 103d | 6 × 105g | 0.3d |