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Saccule and UtricleAcoustic MaculaeHair Cells, VestibularEar, InnerOtolithic MembraneVestibule, LabyrinthVestibular Evoked Myogenic PotentialsHair Cells, AuditoryVestibular NervePeptidoglycanRana catesbeianaTacrineNeomycinStereociliaLabyrinth DiseasesCochleaLabyrinth Supporting CellsSemicircular CanalsEndolymphHemospermiaThiamine PyrophosphataseTranscription Factor Brn-3CBatrachoidiformesHair Cells, Auditory, InnerGoldfishTemporal BoneMicroscopy, Electron, ScanningDiaminopimelic AcidOrgan Culture TechniquesHearingTurtlesRegenerationPimelic AcidsMice, Inbred CBAMicroscopy, ElectronCell WallGolgi ApparatusNootropic AgentsMeniere DiseaseVestibulocochlear NerveEpitheliumAPUD CellsDissectionCyprinidaeNeurons, EfferentHearing Loss, Noise-InducedAnuraHistocytochemistryEvoked Potentials, AuditoryEscherichia coliGentamicinsCell CountAcoustic StimulationVestibular DiseasesChemical PrecipitationLanthanumCell DeathTime FactorsAuditory ThresholdAnimals, NewbornRetinal PigmentsNoiseSulfatesPhotoreceptor CellsAuditory PathwaysGene Expression Regulation, DevelopmentalAcid PhosphataseOsmotic PressureMice, KnockoutTritiumStaining and Labeling
VestibuleCochleaLateralOtolith organsSemicircular ductsLinear accelerationSensoryMaculaeMaculaOrgansCanalsInferiorSacculesSacsHorizontalOtolithic membraneEquilibriumVestibular nerveAmpullaPerpendicularInner earConsistsTransparent portion that forms the anteriorSuperiorEyeballUpwardsMovementSmallLargerCommonSide
Vestibule8
  • The saccule is an almost globular-shaped sac that lies in the spherical recess on the medial wall of the vestibule. (medscape.com)
  • The utricle is larger than the saccule and lies posterosuperiorly to it in the elliptical recess of the medial wall of the vestibule. (medscape.com)
  • The vestibule houses the two static organs of equilibrium (saccule and utricle) as well as the cristae in the semicircular canals. (cdc.gov)
  • A sensory receptor called a macula is located in the walls of the saccule and utricle, the two bulblike sacs of the vestibule. (cliffsnotes.com)
  • From the anterior part of the floor of the vestibule a narrow cleft, the fissura vestibuli, extends forwards into the bony canal of the cochlea. (co.ma)
  • Its ampulla is anterior and lateral, and opens into the vestibule immediately above that of the lateral canal. (co.ma)
  • The utricle is a small membranous sac (part of the membranous labyrinth) and paired with the saccule lies within the vestibule of the inner ear. (studybuff.com)
  • [5] The vestibule of the Eustachian tube is known as the protympanum , [6] The protympanum is also known as the anterior part of the bony part of the tube. (cloudfront.net)
Cochlea4
  • Whereas the first mostly supplies the utricle and both HSC and ASC, the latter mainly serves the saccule, PSC, and the cochlea, with slight possible interindividual differences. (audiologyonline.com)
  • It contains two bulblike sacs, the saccule and utricle, whose membranes are continuous with those of the cochlea and semicircular canals, respectively. (cliffsnotes.com)
  • its anterior part leads, by an elliptical opening, into the scala vestibuli of the cochlea. (co.ma)
  • It is secreted by the secretory cells of the stria vascularis of the cochlea and by the dark cells (present in the utricle and near the ampullated ends of semicircular ducts). (medicoapps.org)
Lateral10
  • The 3 semicircular canals are small, ringlike structures: lateral or horizontal, superior or anterior, and posterior or inferior. (medscape.com)
  • While the former is mainly composed of the lateral and anterior ampullary nerves and the utricular nerve (with a possible afferent coming from the anterosuperior portion of the saccule), the IVN is composed of the posterior ampullary nerve (or singular nerve) and the saccular nerve. (audiologyonline.com)
  • There are three semicircular canals that are oriented at nearly right angles to one another and are named the anterior (superior), lateral (horizontal) and posterior canals. (cdc.gov)
  • The three canals, individually called the anterior, posterior, and lateral canals, are arranged at right angles to one another. (cliffsnotes.com)
  • The semicircular canals contain the receptors responding specifically to angular accelerations with the help of three ducts (anterior/superior, lateral/horizontal, and posterior) located at 90° to each other (Figure above refers). (avmed.in)
  • The spinal part arises from lateral cell groups in the anterior column near its dorso-lateral margin in the upper five or six segments of the cord, its roots pass through the lateral funiculus to the lateral surface of the cord. (bartleby.com)
  • The cranial part arises from the nucleus ambiguus, the continuation in the medulla oblongata of the lateral cell groups of the anterior column of the spinal cord from which the spinal part has origin. (bartleby.com)
  • The root fibers of the cranial part of the accessory nerve pass anterior to the spinal tract of the trigeminal while those of the vagus pass through or dorsal to the trigeminal root, and emerge in the line of the postero-lateral sulcus. (bartleby.com)
  • Feel if the navicular or talus bones are sitting just a bit more anterior-lateral than normal. (yourmusculoskeletalspecialist.com)
  • The Eustachian tube extends from the anterior wall of the middle ear to the lateral wall of the nasopharynx , approximately at the level of the inferior nasal concha . (cloudfront.net)
Otolith organs2
  • The otolith organs include the utricle and the saccule. (medscape.com)
  • There are two otolith organs on each side of the head: those of the utricle lie in an approximately horizontal plane when the head is in a normal upright position, and those of the saccule lie in the vertical plane. (avmed.in)
Semicircular ducts1
  • The three ampullated ends and two non ampullated ends of the membranous semicircular ducts open into the utricle. (drtbalu.co)
Linear acceleration1
  • Utricule and Saccule: Utricle responds to linear acceleration and deceleration or gravitational pull. (medicoapps.org)
Sensory3
Maculae1
  • The maculae of the utricle and saccule are nearly perpendicular to one another. (cdc.gov)
Macula2
  • The macula of the utricle lies mainly in the horizontal plane and is located in the utricular recess, which is the dilated anterior portion of the utricle. (medscape.com)
  • The macula is a small patch of hair cells and their supporting cells contained within the saccule and the utricle. (studybuff.com)
Organs2
  • The vestibular evoked myogenic potential (VEMP or VsEP) is a neurophysiological assessment technique used to determine the function of the otolithic organs (utricle and saccule) of the inner ear. (wikipedia.org)
  • It is well known that vestibular sensors include three semicircular canals (SCs), i.e., horizontal (HSC), anterior (ASC), posterior (PSC), and two otolithic organs: the saccule and the utricle. (audiologyonline.com)
Canals8
  • The peripheral vestibular apparatus consists of the saccule, utricle, and semicircular canals. (medscape.com)
  • All canals merge into the utricle. (medscape.com)
  • saccule=sagital plane (up/down)), and the three semicircular canals (anterior/superior, posterior, and horizontal) detect head rotation or angular acceleration in their respective planes of orientation (anterior/superior=pitch (nodding head), posterior=roll (moving head from one shoulder to other), and horizontal=yaw (shaking head left to right). (wikipedia.org)
  • This includes ~7,000 hair cells from each of the semicircular canals located within the crista ampullaris, ~30,000 hair cells from the utricle, and ~16,000 hair cells from the saccule. (wikipedia.org)
  • These three semicircular canals known as the horizontal, anterior, and posterior canals connect with two other structures critical to balance known as the utricle and the saccule. (psychologic.science)
  • Another study related to the knowledge of arteries anterior and posterior semicircular canals students about attitudes and practices for the to irrigate, utricle, saccule and part of the cochlea8. (bvsalud.org)
  • Non ampullated ends ends of anterior and posterior canals fuse to form the common bony crus. (drtbalu.co)
  • b) The vestibular apparatus is composed of two semicircular canals and the otolith organ consisting of the saccule and utricle. (assignmentsbag.com)
Inferior4
  • The oVEMP measures integrity of the utricule and superior vestibular nerve and the cVemp measures the saccule and the inferior vestibular nerve. (wikipedia.org)
  • This habit in this young population is labyrinth is irrigated by internal labyrinthine artery, increasing the risk for the acquisition of music- in most cases branch of the anterior inferior induced hearing loss, the author of this study noted cerebellar artery and in some cases branch of basilar that 14% of youth surveyed reported risk behavior artery. (bvsalud.org)
  • The distal end of the cochlear canal drains its perilymph via the cochlear aqueduct and the cochlear canaliculus into the subarachnoid space just inferior to the internal acoustic meatus in the anterior segment of the jugular foramen. (drtbalu.co)
  • Internal ear derives its blood supply from labyrinthine (internal auditory) artery which is usually a branch of anterior inferior cerebellar artery or sometimes of basilar artery. (medicoapps.org)
Saccules2
  • The otolith mass of the saccules and utricles of plaice, Pleuronectes platessa (n = 39) and turbot, Psetta maxima (n = 21) was measured using an electronic microbalance. (iospress.com)
  • What are Utricle and Saccules? (studybuff.com)
Sacs1
Horizontal3
  • The utricle senses motion in the horizontal plane (eg, forward-backward movement, left-right movement, or a combination thereof). (medscape.com)
  • In humans, the utricle is oriented in a horizontal direction and detects motion in a horizontal plane, while the saccule is oriented in a vertical direction and detects motion in a vertical plane. (psychologic.science)
  • Most cases arise from posterior SC (PSC), less commonly from horizontal SC (HSC), while rarely from anterior SC (ASC) [ 1 ]. (ejao.org)
Otolithic membrane1
Equilibrium1
Vestibular nerve1
  • However, a viral infection of the vestibular nerve or ischemia of the anterior vestibular artery is known to cause vestibular neuritis. (e-jyms.org)
Ampulla1
  • One was observed around the ampulla of the superior semicircular canal and utricle, and the other was observed around the ampulla of the posterior semicircular canal. (bvsalud.org)
Perpendicular1
  • 1. Superior / anterior semicircular canal: Projects vertically and in a perpendicular direction relative to the petrous bone. (drtbalu.co)
Inner ear2
  • In fact, the inner ear is supplied by the internal auditory artery, which divides into two main terminal branches: the anterior vestibular artery and the common cochlear artery (CCA). (audiologyonline.com)
  • Benign paroxysmal positional vertigo is most likely caused by the abnormal movement or dislodging of the otoliths within the utricle and saccule of the inner ear. (psychologic.science)
Consists2
Transparent portion that forms the anterior2
  • The cornea is an avascular, transparent portion that forms the anterior of the eyeball. (oswalpublishers.com)
  • Cornea is a transparent portion that forms the anterior one - sixth of the eyeball. (ncertguess.com)
Superior1
  • The temporal branches are of large size, and, sweeping out of the parotid gland over the zygomatic arch, are distributed to the orbicularis oculi, frontalis, corrugator supercilii, auriculares anterior and superior. (co.ma)
Eyeball1
  • Chambers of eyeball: The lens, suspensory ligament and ciliary body divide the eye into an anterior aqueous chamber and a posterior vitreous chamber which are filled with aqueous humour and vitreous humour respectively. (ncertguess.com)
Upwards2
  • Its convexity is directed upwards, and its position is indicated on the anterior surface of the petrous part of the temporal bone by the arcuate eminence. (co.ma)
  • The posterior auricular nerve bends backwards and upwards over the anterior border of the mastoid process along with the posterior auricular artery. (co.ma)
Movement2
  • The saccule senses motions in the sagittal plane (eg, up-down movement). (medscape.com)
  • The most common of these is the Epley maneuver, which uses deliberate movement of the head and gravity to reposition the otoliths within the utricle and saccule. (psychologic.science)
Small2
  • In addition to these hairs or "stereocilia," there are small stones made of calcium carbonate called otoliths that are embedded in the membrane of the utricle and saccule. (psychologic.science)
  • The anterior cervical space is a small infrahyoid compartment of the head and neck. (radiopaedia.org)
Larger1
  • However, the anterior SCC is significantly larger than the allometric relationship would predict. (iospress.com)
Common1
  • That's because of the torque or the pull between the tibialis anterior and the perennials that share in a common attachment point of the midfoot. (yourmusculoskeletalspecialist.com)
Side1
  • It supplies a root to the submaxillary ganglion, and is finally distributed to the side and dorsum of the tongue in its anterior two-thirds. (co.ma)