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saccule; vestibular saccule
Structure:
- the smaller of the 2 membranous sacs in the vestibula of the labyrinth, lying in the spherical recess
- it is connected with the cochlear duct by the ductus reunion & with the utricle by the ductus endolymphaticus & the ductus utriculosaccularis
Function:
- otolith organ involved in vertical movement & sensing gravitational change [2]
Pathology:
- association between high-frequency hearing loss in elderly & diminished saccular function [2]
Specific
conjunctival sac
lacrimal sac (dacryocyst)
laryngeal saccule; Hilton sac; laryngeal pouch
General
ear structure
References
- Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999
- Geriatric Review Syllabus, 9th edition (GRS9)
Medinal-Walpole A, Pacala JT, Porter JF (eds)
American Geriatrics Society, 2016
- Geriatric Review Syllabus, 11th edition (GRS11)
Harper GM, Lyons WL, Potter JF (eds)
American Geriatrics Society, 2022
- Zuniga MG, Dinkes RE, Davalos-Bichara M
Association between hearing loss and saccular dysfunction
in older individuals.
Otol Neurotol. 2012 Dec;33(9):1586-92.
PMID: 23064383 Free PMC Article
Component-of
vestibular
vestibule
Images
image related to saccule