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Neurotransmitter and neurotransmitter receptor expression in the saccule of the human vestibular system

Progress in Neurobiology, 2022
The saccule is one of the vestibular sensory organs of the inner ear. It detects head movements and provides information to maintain balance and orient in space.
Lars Juul Hansen, Per Cayé-Thomasen, Kristine Elisabeth Eberhard   +2 more
exaly   +2 more sources

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The electrophysiology of the saccule

Pflugers Archiv European Journal of Physiology, 1972
The Na+ concentration in saccular endolymph in guinea pigs was measured and found to be 3.2±0.6 mEqu/l with sodium specific electrodes. The saccular potential varied between −8 and +2.4 mV. Permanent anoxia resulting in the death of the animal caused the potential to fall by 15 mV and the Na+ concentration to rise to 40 mEqu/l in 30 min. Maintenance of
Brian M Johnstone
exaly   +3 more sources

Vestibular function of saccule in cats as indicated by the response of Deiters' nucleus to static tilts

Experimental Brain Research, 1979
In ketamine anesthetized cats, the contralateral labyrinth, the ipsilateral utricle, the ipsilateral horizontal and anterior semicircular canal nerves were completely destroyed, leaving the ipsilateral saccule intact.
Ying-Shing Chan, J C Hwang, J C Hwang
exaly   +1 more source

Sacculation of the uterus

American Journal of Obstetrics and Gynecology, 1963
Abstract A case of sacculation of the uterus has been described. Actual photographs of a uterus with a sacculation has been presented. An attempt has been made to differentiate the terms "sacculation" and "diverticulum" as they apply to the pregnant uterus. It is our thesis that sacculations are due to functional malformations of the uterus.
C, FIELDS, R B, PILDES
openaire   +2 more sources

Ontogenetic development of the inner ear saccule and utricle in the Lusitanian toadfish: Potential implications for auditory sensitivity

Hearing Research, 2017
Studies addressing structure-function relationships of the fish auditory system during development are sparse compared to other taxa. The Batrachoididae has become an important group to investigate mechanisms of auditory plasticity and evolution of ...
Maria Clara P Amorim, Raquel O Vasconcelos   +1 more
exaly   +2 more sources

Small papillary tumor in the saccule [PDF]

International Journal of Pediatric Otorhinolaryngology Extra, 2007
Papillary tumors of the ear are aggressive neoplasms. Previously, a tumor growing in the saccule had not been reported. We report a tumor found incidentally in the saccule of a patient. Serial sections of both temporal bones of the patient were studied in order to analyze the tumor's origin and influence on audio vestibular function. In the right inner
Qing Yin Zheng
exaly   +3 more sources

The saccule and gravity

The Journal of Laryngology & Otology
Abstract Background The important role of the saccule is the sensing of gravity. In other words, gravity always stimulates the macula of the saccule. Objectives The aim of this study was to clarify whether nystagmus ...
Hiroaki, Ichijo, Hisako, Ichijo
openaire   +2 more sources

Invisible saccule in 3T MRI: insights into inner ear vulnerability and fluid dynamics

Acta Oto-Laryngologica
Background: The trabecular mesh of the inner ear plays a critical role in maintaining the structure of the vestibular organs, particularly within the pars superior.
Michihiko Sone, Tadao Yoshida, Shinji Naganawa   +2 more
exaly   +1 more source

The cholinergic pharmacology of the frog saccule

Hearing Research, 1994
Stimulation of the efferent nerves to the vestibular organs of the frog's inner ear produces either facilitation or inhibition of afferent firing. Similarly, application of acetylcholine (ACH), the major transmitter of the efferents, can produce both facilitation and/or inhibition as previously reported [Guth et al. (1986) Acta Otolaryngol.
P S, Guth, A, Dunn, K, Kronomer, C H, Norris   +3 more
openaire   +2 more sources

Some structural observations of the saccule

Archiv f�r klinische und experimentelle Ohren- Nasen- und Kehlkopfheilkunde, 1969
The histological structure of the saccule was. surveyed light microscopically in the inner ear of a guinea-pig.
K, Watanuki, K, Kawamoto, S, Katagiri
openaire   +2 more sources