Disease or Syndrome
otosclerosis
o·to·scle·ro·sis [ oh-tuh-skli-roh-sis ]
Subclass of:
Ear Diseases
Etymology:
Greek ous (ot-) = ear + skleros = hard + -osis = condition
A term used of chronic progressive deafness.
A term used of chronic progressive deafness.
Definitions related to otosclerosis:
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An abnormal bony growth in the middle ear that causes hearing loss.Harvard Dictionary of Health TermsHarvard Medical Publishing, 2011
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Formation of spongy bone in the labyrinth capsule which can progress toward the STAPES (stapedial fixation) or anteriorly toward the COCHLEA leading to conductive, sensorineural, or mixed HEARING LOSS. Several genes are associated with familial otosclerosis with varied clinical signs.NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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In otosclerosis, a callus of bone accumulates on the stapes creating a partial fixation. This limits the movement of the stapes bone, which results in hearing loss.Human Phenotype Ontology (HPO)The Human Phenotype Ontology Project, 2021
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Pathological condition of the bony labyrinth of the ear, in which there is formation of spongy bone; may cause bony ankylosis of the stapes, resulting in conductive hearing loss; cochlear otosclerosis may also develop, resulting in sensorineural hearing loss.CRISP ThesaurusNational Institutes of Health, 2006
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Otosclerosis is a disease of the bone of the otic capsule that causes an abnormal accumulation of new bone within the oval window.Merck & Co., Inc., 2020
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Ankylosis of the stapes was first described by Valsalva in 1704. Toynbee described fixation of the stapes to the margins of the oval window in 1841 and found similar cases in 136 of 1,000 temporal bone dissections.WebMD, 2019
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Otosclerosis, ear disorder characterized by abnormal bone growth in the middle ear, typically affecting the stapes (stirrup), a bone in the region of the oval window. It is at the oval window that the footplate of the stapes comes into contact with the fluids of the inner ear and acts as a piston...Encyclopedia Britannica, Inc., 2020
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