Results
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| Property | Organism | Value | Units | ID | Details |
|---|---|---|---|---|---|
| Uncoiled length of cochlea | Mammals | mouse ~11: guinea pig 19: human ~34 | mm | 117126 | Ashmore J. Cochlear outer... |
| Number of hair cells in cochlea | Human Homo sapiens | ~15,000 | hair cells | 108320 | Arnadóttir J, Chalfie... |
| Number of inner and outer hair cells in each cochlea | Human Homo sapiens | inner hair cells (IHCs) ~3,500: outer hair cells (OHCs) ~11,000 | hair cells | 117129 | Ashmore J. Cochlear outer... |
| Mean length of papilla in cochlea | Turtle Trachemys scripta elegans | 0.83 | mm | 111040 | Crawford AC, Fettiplace... |
| Stiffness of ciliary bundles in cochlea | Turtle Trachemys scripta elegans | ~6e-4 (2e-4 to 10e-4) | N/m | 111033 | Crawford AC, Fettiplace... |
| Length of (cylindrical) outer hair cells (OHCs) in cochlea | Mammals | 15 - 70 | µm | 117132 | Ashmore J. Cochlear outer... |
| Rotational stiffness of ciliary bundles in cochlea | Turtle Trachemys scripta elegans | ~2e-14 | N×m/rad | 111034 | Crawford AC, Fettiplace... |
| Number of inner hair cells in cochlea | Human Homo sapiens | 3500 | unitless | 100697 | http://faculty.washi... |
| Number of outer hair cells in cochlea | Human Homo sapiens | 12000 | unitless | 100698 | http://faculty.washi... |
| Number of hair cells in organ of Corti (in cochlea) | Human Homo sapiens | ~16,000 | hair cells | 111421 | Schwander M, Kachar B... |
| Fraction of cases in which a communication between the subarachnoid space of the posterior cranial fossa and the perilymphatic space of the cochlea is patent (open, unobstructed) | Human Homo sapiens | 93 | % | 117124 | Sakka L, Coll G, Chazal... |
| Diameter of particles of cytoskeletal elements and submembranous endoplasmic reticula found in a dense array at the lateral membrane of OHCs (outer hair cells) of cochlea | Rodent | 8 - 10 | nm | 117134 | Ashmore J. Cochlear outer... |
| Stiffness of ciliary bundles in inner ear | vertebrates | in frog saccule 0.132: in guinea-pig cochlea 0.72 | pN/nm | 111041 | Crawford AC, Fettiplace... |
| Number of stiff interconnected hairs or stereocilia in a bundle of cochlear hair cell | Turtle Trachemys scripta elegans | ~100 | stereocilia/bundle | 111037 | Crawford AC, Fettiplace... |
| Frequency of damped oscillations in cochlear hair cell membrane potential | Turtle Trachemys scripta elegans | 20 - 320 | Hz | 111035 | Crawford AC, Fettiplace... |
| Height of tallest hair attached to a single kinocilium in cochlear hair cell | Turtle Trachemys scripta elegans | 6 - 7 | µm | 111038 | Crawford AC, Fettiplace... |
| Sound levels with which human hearing is designed to work optimally without excessive long-term damage | Human Homo sapiens | 0 - 80 | decibels (dB) sound pressure level (SPL) | 117131 | Ashmore J. Cochlear outer... |
| Fraction of dendrites of the auditory nerve that are associated with OHCs (outer hair cells) | Unspecified | ~5 | % | 117130 | Ashmore J. Cochlear outer... |
| Percent of people that suffer from hearing loss associated with aging | Human Homo sapiens | 25% of people aged 65–75: 70%–80% of people older than age 75 | % | 107571 | Lauer AM, Fuchs PA, Ryugo DK... |
| Cochlear hair cell's mechanoelectrical sensitivity | Turtle Trachemys scripta elegans | ~0.2 | mV/nm | 111036 | Crawford AC, Fettiplace... |