Biomaterial Database

The round window in acute hearing loss. 1982

J Sekuła, and J Włodyka

Sensorineural hearing loss has various etiologies. One of them is perilymphatic fistula, which is observed in (1) congenital malformation of the internal ear in children: (2) after operations on the oval window (stapedectomy, interposition); (3) in cases of head trauma, and (4) in acute hearing loss of unknown origin. The authors report 5 of 19 cases of acute hearing loss observed at the ORL Clinic in Kraków and operated on by exploratory tympanotomy. In 4 of them, rupture of the round window membrane (secondary tympanic membrane) was found. A hypothesis for the rupture mechanism is presented.

UI	MeSH Term	Description	Entries
D008297	Male		Males
D003051	Cochlea	The part of the inner ear (LABYRINTH) that is concerned with hearing. It forms the anterior part of the labyrinth, as a snail-like structure that is situated almost horizontally anterior to the VESTIBULAR LABYRINTH.	Cochleas
D003639	Hearing Loss, Sudden	Sensorineural hearing loss which develops suddenly over a period of hours or a few days. It varies in severity from mild to total deafness. Sudden deafness can be due to head trauma, vascular diseases, infections, or can appear without obvious cause or warning.	Deafness, Sudden,Sudden Deafness,Sudden Hearing Loss
D005082	Physical Exertion	Expenditure of energy during PHYSICAL ACTIVITY. Intensity of exertion may be measured by rate of OXYGEN CONSUMPTION; HEAT produced, or HEART RATE. Perceived exertion, a psychological measure of exertion, is included.	Physical Effort,Effort, Physical,Efforts, Physical,Exertion, Physical,Exertions, Physical,Physical Efforts,Physical Exertions
D005260	Female		Females
D006801	Humans	Members of the species Homo sapiens.	Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293	Adolescent	A person 13 to 18 years of age.	Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328	Adult	A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available.	Adults
D012405	Round Window, Ear	Fenestra of the cochlea, an opening in the basal wall between the MIDDLE EAR and the INNER EAR, leading to the cochlea. It is closed by a secondary tympanic membrane.	Cochlear Round Window,Fenestra Cochleae,Round Window of Ear,Cochlear Round Windows,Ear Round Window,Round Window, Cochlear,Round Windows, Cochlear,Round Windows, Ear
D012421	Rupture	Forcible or traumatic tear or break of an organ or other soft part of the body.	Ruptures

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