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*  Utricle (ear)
The utricle detects linear accelerations and head-tilts in the horizontal plane. The utricle is larger than the saccule and is ... Within the utricle is a small 2 by 3 mm patch of hair cells called the macula of utricle. The macula of utricle, which lies ... along with the saccule, is one of the two otolith organs located in the vertebrate inner ear. The utricle and the saccule are ... The macula of utricle is a thickening in the wall of the utricle where the epithelium contains vestibular hair cells that ...
*  Saccule
Both the utricle and the saccule provide information about acceleration. The difference between them is that the utricle is ... The saccule, like the utricle, provides information to the brain about head position when it is not moving. The structures that ... Its cavity does not directly communicate with that of the utricle. The anterior part of the saccule exhibits an oval thickening ... The vestibular system includes the saccule, utricle, and the three semicircular canals. The vestibule is the name of the fluid- ...
*  Otolith
... most likely the sacculus, due to its anatomical location). In mice lacking the otoconia of the utricle and saccule, this ... The saccule and utricle, in turn, together make the otolith organs. Endolymphatic infillings such as otoliths are structures in ... Because of their orientation in the head, the utricle is sensitive to a change in horizontal movement, and the saccule gives ... the saccule and utricle together make the otolith organs. Both statoconia and otoliths are used as gravity, balance, movement, ...
*  Sensory illusions in aviation
These illusions involving the utricle and the saccule of the vestibular system are most likely under conditions with unreliable ... the saccule and utricle, are stimulated by linear accelerations. Stimulation of the semicircular canals occurs when movement of ...
*  Vestibular system
Humans have two otolithic organs on each side, one called the utricle, the other called the saccule. The utricle contains a ... The Utricle and Sacculus". NCBI Bookshelf - Neuroscience. Angelaki DE, Cullen KE (2008). "Vestibular system: the many facets of ... Similarly, the saccule contains a patch of hair cells and a macula. Each hair cell of a macula has 40-70 stereocilia and one ... Any orientation of the head causes a combination of stimulation to the utricles and saccules of the two ears. The brain ...
*  Sense of balance
Utricle responds to linear accelerations and head-tilts in the horizontal plane (head to shoulder), whereas saccule responds to ... Saccule and Utricle). Each semicircular canal (SSC) is a thin tube that thickens briefly (2x thin diameter), at a point called ...
*  Ear
A central area known as the vestibule contains two small fluid-filled recesses, the utricle and saccule. These connect to the ... The endolymph is situated in two vestibules, the utricle and saccule, and eventually transmits to the cochlea, a spiral-shaped ... Static balance is provided by two ventricles, the utricle and the saccule. Cells lining the walls of these ventricles contain ... The inner ear contains the otolith organs-the utricle and saccule-and the semicircular canals belonging to the vestibular ...
*  Ocular tilt reaction
The otoliths (utricle and saccule) probably follow a similar pathway. Normally, a body tilt (along with the initial head tilt) ... utricle and saccule. Each anterior semi-circular canals has excitatory projections to the ipsilateral superior rectus muscle ... The initial head tilt to right will cause stimulation of the right utricle resulting in excitory signals to pass to the SR and ... In case of any lesion from the utricle to the brainstem, diminished input from the affected vestibular pathway, for example the ...
*  Vestibulocochlear nerve
The other two sensory organs supplied by the vestibular neurons are the maculae of the saccule and utricle. Hair cells of the ... in the utricle activate afferent receptors in response to linear acceleration while hair cells of the maculae in the saccule ...
*  Otolithic membrane
The utricle serves to measure horizontal accelerations and the saccule responds to vertical accelerations. The reason for this ... The otolith organs include the utricle and the saccule. The otolith organs are beds of sensory cells in the inner ear, ... The utricular macula lie horizontal in the utricle, while the saccular macula lies vertical in the saccule. Every hair cell in ... The range of orientations of hair cells within the utricle and saccule combine to effectively gauge the linear forces acting on ...
*  Otic vesicle
The utricle and saccule communicate with each other by means of a Y-shaped canal. Formation of the otic vesicle has been ... the saccule, and a larger dorsal and posterior part, the utricle. The dorsal component of the inner ear also consists of what ...
*  Balance disorder
Two other organs that are part of the vestibular system are the utricle and saccule. These are called the otolithic organs and ... which are normally found in the utricle and saccule (the otolith organs) and are used to sense movement. If they fall from the ... utricle and become loose in the semicircular canals, they can distort the sense of movement and cause a mismatch between actual ...
*  Righting reflex
... the utricle and the saccule. Both are made of the same sensory tissue containing hair cells, which is covered by a gelatinous ...
*  STS-65
The utricle and saccule are specialized organs present in the inner ears of all vertebrate animals. They contain otoliths (or ...
*  Vestibular evoked myogenic potential
The utricle and saccule are sensors for detecting angular or linear acceleration, and the three semicircular canals detect head ... There are six receptor organs located in the inner ear: cochlea, utricle, saccule, and the lateral, anterior, and posterior ... utricle and saccule) of the inner ear. It complements the information provided by caloric testing and other forms of inner ear ... 30,000 hair cells from the utricle, and ~16,000 hair cells from the saccule. Each hair cell has about 70 stereocilia (short rod ...
*  Spatial disorientation
Two otolith organs, the saccule and utricle, are located in each ear and are set at right angles to each other. The utricle ... gravity can also produce stimulation of the utricle and saccule. A response of this type will occur during a vertical take-off ... detects changes in linear acceleration in the horizontal plane, while the saccule detects gravity changes in the vertical plane ...
*  Inner ear
... which contain the saccule and utricle, enable the body to detect any deviation from equilibrium. The macula sacculi detects ... The central part of the system consists of two chambers, the saccule and utricle, each of which includes one or two small ... They contain the sensory hair cells and otoliths of the macula of utricle and of the saccule, respectively, which respond to ... of the saccule and utricle. The human inner ear develops during week 4 of embryonic development from the auditory placode, a ...
*  Semicircular canals
Consequently, the cupula is not displaced by gravity, unlike the otolithic membranes of the utricle and saccule. As with ... At the base of each canal, the bony region of the canal is enlarged which opens into the utricle and has a dilated sac at one ...
*  Kinocilium
Kinocilia are present in the crista ampullaris of the semicircular ducts and the sensory maculae of the utricle and saccule. ... Fish anatomy Utricle Otolith Schwander M, Kachar B, Müller U (July 2010). "Review series: The cell biology of hearing". The ...
*  Outline of human anatomy
... see bones Perilymphatic space Membranous labyrinth Endolymphatic space Vestibular labyrinth Utricle Saccule Semicircular ducts ...
*  Stapedectomy
Paum PB, Pollak AM & Fisch U., "Utricle, saccule and cochlear duct in relation to stapedotomy: A histologic temporal bone study ...
*  Ototoxicity
The saccule and utricle detect different motions, which information the brain receives and integrates to determine where the ... Two types of otolith organs are housed in the vestibule: the saccule, which points vertically and detects vertical acceleration ... and the utricle, which points horizontally and detects horizontal acceleration. The otolith organs together sense the head's ...
*  List of MeSH codes (A09)
... saccule and utricle MeSH A09.246.631.909.625.125 --- acoustic maculae MeSH A09.246.631.909.625.125.340 --- hair cells, ...
*  Dark cell
... leading to the collapse of the epithelia of the roof of the utricle, saccule and ampullae, as well as dysfunction of the ...
*  Macula of saccule
The saccule is the smaller sized vestibular sac (the utricle being the other larger size vestibular sac); it is globular in ... The vestibule is a region of the inner ear which contains the saccule and the utricle, each of which contain a macula to detect ... The macula of saccule lies in a nearly vertical position. Its function is to detect vertical linear acceleration. It is a 2 mm ... Its anterior part exhibits an oval thickening, the macula of saccule (or saccular macula), to which are distributed the ...
*  Index of anatomy articles
... saccade saccule sacral ala sacral vertebrae sacral promontory sacroiliac joint sacrum sagittal crest sagittal suture saliva ... of ribs upper motor neuron urachus ureter urethra urinary bladder urogenital system uterine cavity uterine tube uterus utricle ...