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Encyclopedia > Lateral vestibular nucleus
Brain: Lateral vestibular nucleus
Terminal nuclei of the vestibular nerve, with their upper connections. (Schematic.)
1. Cochlear nerve, with its two nuclei.
2. Accessory nucleus.
3. Tuberculum acusticum.
4. Vestibular nerve.
5. Internal nucleus.
6. Nucleus of Deiters.
7. Nucleus of Bechterew.
8. Inferior or descending root of acoustic.
9. Ascending cerebellar fibers.
10. Fibers going to raphé.
11. Fibers taking an oblique course.
12. Lemniscus.
13. Inferior sensory root of trigeminal.
14. Cerebrospinal fasciculus.
15. Raphé.
16. Fourth ventricle.
17. Inferior peduncle. Origin of striæ medullares.
Latin nucleus vestibularis lateralis
Gray's subject #191 860
NeuroNames hier-712
Dorlands/Elsevier n_11/12584180

The lateral vestibular nucleus (Deiters’s nucleus) is the continuation upward and lateralward of the principal nucleus, and in it terminate many of the ascending branches of the vestibular nerve. Image File history File links No higher resolution available. ... The Cochlear nerve (n. ... The spinal accessory nucleus lies within the cervical spinal cord (C1-C5) in the ventral horn. ... The vestibular nerve is one of the two branches of the Vestibulocochlear nerve (the cochlear nerve is the other. ... The superior vestibular nucleus (Bechterew’s nucleus) is the dorso-lateral part of the vestibular nucleus and receives collaterals and terminals from the ascending branches of the vestibular nerve. ... Figure 1a: A human brain, with the cerebellum in purple. ... In general, a raphe (pronounced RAY-fee) is a seam. ... Oblique can mean one of several things: In linguistics, oblique case. ... This article needs to be wikified. ... The trigeminal nerve is the fifth (V) cranial nerve, and carries sensory information from most of the face, as well as motor supply to the muscles of mastication (the muscles enabling chewing), tensor tympani (in the middle ear), and other muscles in the floor of the mouth, such as the... In general, a raphe (pronounced RAY-fee) is a seam. ... The fourth ventricle is one of the four connected fluid-filled cavities within the human brain. ... The inferior cerebellar peduncle, also known as the restiform body, carries many types of input and output fibers that are mainly concerned with integrating proprioceptive sensory input with motor vestibular functions such as balance and posture maintenance. ... Winding around the inferior peduncle and crossing the area acustica and the medial eminence are a number of white strands, the striae medullares, which form a portion of the cochlear division of the acoustic nerve and disappear into the median sulcus. ... Latin is an ancient Indo-European language originally spoken in Latium, the region immediately surrounding Rome. ... NeuroNames is a system of nomenclature for the brain and related structures. ... Elseviers logo. ... The vestibular nerve is one of the two branches of the Vestibulocochlear nerve (the cochlear nerve is the other. ...

It consists of very large multipolar cells whose axons form an important part of the posterior longitudinal bundle of the same and the opposite side. An axon, or nerve fiber, is a long slender projection of a nerve cell, or neuron, which conducts electrical impulses away from the neurons cell body or soma. ...

The axons bifurcate as they enter the posterior longitudinal bundle,

  • the ascending branches send terminals and collaterals to the motor nuclei of the abducens, trochlear and oculomotor nerves, and are concerned in coördinating the movements of the eyes with alterations in the position of the head;
  • the descending branches pass down in the posterior longitudinal bundle into the anterior funiculus of the spinal cord as the vestibulospinal fasciculus (anterior marginal bundle) and are distributed to motor nuclei of the anterior column by terminals and collaterals.

Other fibers are said to pass directly to the vestibulospinal fasciculus without passing into the posterior longitudinal bundle. The sixth out of twelve cranial nerves, the abducens nerve controls the lateral rectus muscle - this means that the action of this nerve controls each eyes ability to look laterally (away from the midline). ... The fourth of twelve cranial nerves, the trochlear nerve controls the function of the superior oblique muscle, which rotates the eye towards the nose and also moves the eye downward. ... The oculomotor nerve () is the third of twelve paired cranial nerves. ... The most lateral of the bundles of the anterior nerve roots is generally taken as a dividing line which separates the antero-lateral region into two parts, viz. ... The Spinal cord nested in the vertebral column. ... The vestibulospinal tract is one of the descending spinal tracts of the ventromedial pathway. ...

The fibers which pass into the vestibulospinal fasciculus are intimately concerned with equilibratory reflexes.

Other axons from Deiters’s nucleus are supposed to cross and ascend in the opposite medial lemniscus to the ventro-lateral nuclei of the thalamus; still other fibers pass into the cerebellum with the inferior peduncle and are distributed to the cortex of the vermis and the roof nuclei of the cerebellum; according to Cajal they merely pass through the nucleus fastigii on their way to the cortex of the vermis and the hemisphere. To meet Wikipedias quality standards, this article or section may require cleanup. ... Figure 1a: A human brain, with the cerebellum in purple. ...

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant. The public domain comprises the body of all creative works and other knowledge—writing, artwork, music, science, inventions, and others—in which no person or organization has any proprietary interest. ... An illustration from the 1918 edition Henry Grays Anatomy of the Human Body, commonly known as Grays Anatomy after Henry Gray, is an anatomy textbook widely regarded as a classic work on human anatomy. ...

  Results from FactBites:
IX. Neurology. 4e. Composition and Central Connections of the Spinal Nerves. Gray, Henry. 1918. Anatomy of the Human ... (8263 words)
The preganglionic fibers from this nucleus terminate in the otic ganglion; the postganglionic fibers from the otic ganglion pass to the parotid gland.
The descending branches terminate in the dorsal (medial) vestibular nucleus, the principal nucleus of the vestibular nerve.
The axons arise from the nucleus of the oculomotor nerve and pass in bundles through the posterior longitudinal bundle, the tegmentum, the red nucleus and the medial margin of the substantia nigra in a series of curves and finally emerge from the oculomotor sulcus on the medial side of the cerebral peduncle.
Vestibular Function & Anatomy (1731 words)
The vestibular system is made of five sensory organs on each side of the head embedded in the petrous portion of the temporal bone.
  The nuclei are the superior vestibular nucleus, the lateral vestibular nucleus, the medial vestibular nucleus, and the descending vestibular nucleus.
The functions of the vestibular system are to sense angular acceleration, linear acceleration and to coordinate head and eye movements as well as maintain the antigravity and lower body muscles in relation to the head.
  More results at FactBites »



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