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Neuron group in the brainstem
The abducens nucleus is the originating nucleus from which the abducens nerve (VI) emerges—a cranial nerve nucleus. This nucleus is located beneath the
Abducens_nucleus
Cranial nerve VI, for eye movements
extraocular motor nuclei (abducens, trochlear and oculomotor) into a single functional unit. Lesions of the abducens nucleus and the MLF produce observable
Abducens_nerve
Subset of neurons in certain nuclei
nuclei. With the abducens nucleus it makes up the horizontal gaze centre. It is situated in the pons adjacent to the abducens nucleus. It projects to the
Paramedian pontine reticular formation
Paramedian_pontine_reticular_formation
Nerve tracts in the brainstem
interstitial nucleus of Cajal, responsible for oculomotor control, head posture, and vertical eye movement. The MLF interconnects interneurons of each abducens nucleus
Medial longitudinal fasciculus
Medial_longitudinal_fasciculus
Neuron cluster of the pons
Accessory abducens nucleus is a small cluster of neurons in the pontine reticular formation of the rat and rabbit. In the rabbit, motoneurons that are
Accessory_abducens_nucleus
Collection of neurons in the brain stem
salivary nucleus (VII) Facial nucleus (VII) - motor Abducens nucleus (VI) - motor Trigeminal motor nucleus (V) - motor Main trigeminal nucleus (V) - sensory
Cranial_nerve_nucleus
Elevated area of the brainstem
fossa). It is formed by fibres from the facial motor nucleus looping over the abducens nucleus. The facial colliculus is an essential landmark of the
Facial_colliculus
Reflex where rotation of the head causes eye movement to stabilize vision
via the abducens nerve. Another nerve tract projects from the abducens nucleus by the medial longitudinal fasciculus to the oculomotor nucleus of the opposite
Vestibulo-ocular_reflex
Medical condition
Nonselective horizontal gaze palsies are caused by lesions in the abducens nucleus. This is where the cranial nerve VI leaves on its way to the lateral
Conjugate_gaze_palsy
Neuron cluster in the brainstem
and looping around the abducens nucleus, then traveling ventrally to exit the ventral pons medial to the spinal trigeminal nucleus. These axons form the
Facial_motor_nucleus
Part of the brainstem in humans and other bipeds
principal sensory nucleus of trigeminal nerve (5) mid-pons: the motor nucleus for the trigeminal nerve (5) lower down in the pons: abducens nucleus (6) lower
Pons
pontine nucleus of the trigeminal nerve sensory nucleus (V) Motor nucleus for the trigeminal nerve (V) Abducens nucleus (VI) Facial nerve nucleus (VII)
List of regions in the human brain
List_of_regions_in_the_human_brain
Muscle on lateral side of the eye
the abducens nerve (CN VI). The neuron cell bodies are located in the abducens nucleus in the pons. These neurons project axons as the abducens nerve
Lateral_rectus_muscle
Medical condition
involves the Abducens nerve and the Paramedian pontine reticular formation. Horizontal gaze involves synchronous activation of the abducens muscle of one
Horizontal_gaze_palsy
(opposite) side. However, the fibers to the abducens (VI) nucleus do not terminate directly onto the nucleus. Instead, they terminate onto the paramedian
Corticomesencephalic_tract
"Third eyelid" of some animals
third eyelid, resulting in a condition called cherry eye. Accessory abducens nucleus Human vestigiality Except Hymenochirus, Pseudhymenochirus and Pipa
Nictitating_membrane
Medical condition
paramedian pontine reticular formation (PPRF)-abducens nucleus complex of the contralateral side to the oculomotor nucleus of the ipsilateral side. [citation needed]
Internuclear_ophthalmoplegia
Scientific theory in vertebrate development
and thus makes an exception.[citation needed] The abducens nucleus is located in the pons. The abducens nerve innervates the lateral rectus muscle of the
Axial_twist_theory
Neurological signs and symptoms
communication between the two eyes by connecting the abducens nucleus of one side to the oculomotor nucleus of the opposite side. This results in the failure
Signs and symptoms of multiple sclerosis
Signs_and_symptoms_of_multiple_sclerosis
Frontal lobe
paramedian pontine reticular formation → (ipsilateral) abducens nucleus and (contralateral) oculomotor nucleus Sinnatamby, Chummy S. (2011). Last's Anatomy (12th ed
Frontopontine_fibers
ascending branches send terminals and collaterals to the motor nuclei of the abducens, trochlear and oculomotor nerves via the ascending component of the medial
Lateral_vestibular_nucleus
Structure in the human brain
Brain 6th ed. p.685. Mosby Inc. Diagram of the sulcus limitans Sectional Atlas: Pons at the Abducens Nucleus - Facial Colliculus Portal: Anatomy v t e
Sulcus_limitans
Neural tract in the central nervous system
vestibular nucleus (Deiters’ nucleus) in the pons. Deiters' nucleus extends from the pontomedullary junction to the level of the abducens nerve nucleus in the
Vestibulospinal_tract
Neuron cluster of the pons
tegmentum. It has been reported for the human, rat, and mouse. Accessory abducens nucleus Crosby EC, Humphrey T, Lauer EW (1962). Correlative Anatomy of the
Accessory facial motor nucleus
Accessory_facial_motor_nucleus
Cranial nerve responsible for the face's senses and motor functions
nucleus receive different types of sensory information; the spinal trigeminal nucleus receives pain-temperature fibers, the principal sensory nucleus
Trigeminal_nerve
Region of the brainstem
principle nucleus, but rather in the spinal trigeminal nucleus, which is caudal to the pontine tegmentum in the medulla. The abducens nucleus controls
Pontine_tegmentum
Medical condition
longitudinal fasciculus. An alternative anatomical cause is a lesion of the abducens nucleus (VI) on one side (resulting in a failure of abduction of the ipsilateral
One_and_a_half_syndrome
Nerves that emerge directly from the brain
to the abducens nerve (VI) can also result in double vision. This is due to impairment in the lateral rectus muscle, supplied by the abducens nerve. The
Cranial_nerves
Type of neurological examination
(CN III), the trochlear nerve (CN IV), and the abducens nerve (CN VI). As the name suggests, the abducens nerve is responsible for abducting the eye, which
Cranial_nerve_examination
Cranial nerve VII, for the face and tasting
arises from the brainstem from an area posterior to the cranial nerve VI (abducens nerve) and anterior to cranial nerve VIII (vestibulocochlear nerve). The
Facial_nerve
Structure within the human brain
forming the facial colliculus, in the process of looping around the abducens nucleus within the inferior region of the Pons. The medulla oblongata is located
Fourth_ventricle
Inability to turn out the eye due to dysfunction of the abducens nerve
Sixth nerve palsy, or abducens nerve palsy, is a disorder associated with dysfunction of cranial nerve VI (the abducens nerve), which is responsible for
Sixth_nerve_palsy
Rare congenital disease characterized by external gaze palsy
they should. Alexandrakis and Saunders found that in most cases the abducens nucleus and nerve are absent or hypoplastic, and the lateral rectus muscle
Duane_syndrome
extrinsic eye muscles (the oculomotor (CN III), trochlear (CN IV), and abducens (CN VI) nuclei) via the medial longitudinal fasciculus, with additional
Nucleus_prepositus
Main nerve of the parasympathetic nervous system
the motor fibers are derived from neurons in the dorsal nucleus of the vagus and the nucleus ambiguus. Although historically the vagus nerve was also
Vagus_nerve
Physiological sense regarding posture
they are involved in eye movements and reflex gaze coordination. The abducens nerve solely innervates the lateral rectus muscle of the eye, moving the
Sense_of_balance
abducens nerve abducens nucleus abducent abducent nerve abduction accessory bone accessory cuneate nucleus accessory nerve accessory olivary nucleus accommodation
Index_of_anatomy_articles
Posterior part of the brain, adjoining and structurally continuous
nerve nucleus: This is the third cranial nerve nucleus. Trochlear nerve nucleus: This is the fourth cranial nerve. Red nucleus: This is a motor nucleus that
Brainstem
Neuron cluster of the brain stem
adjacent to the abducens (VI)nucleus in the pons and adjacent to the oculomotor nucleus(III) in the midbrain. The paramedian nucleus receives afferents
Paramedian_reticular_nucleus
Coordinated motion of the eyes and neck in physiology
are the oculomotor, trochlear, and abducens nerves, which are the third, fourth, and sixth cranial nerves. the abducens nerve is responsible for abducting
Gaze_(physiology)
Technique in neuroscience/experimental psychology
to the trigeminal nucleus and relayed both directly and indirectly (via reticular formation) to the accessory abducens and abducens motor nuclei (see
Eyeblink_conditioning
and the Abducens nerve, CN VI, the paramedian pontine reticular formation, and the nucleus prepositus hypoglossi-medial vestibular nucleus. Vertical
Conjugate_eye_movement
Cranial nerve IV, for eye movements
pseudotumor cerebri, hemorrhage, edema—will affect the fourth nerve, but the abducens nerve (VI) is usually affected first (producing horizontal diplopia, not
Trochlear_nerve
Medical condition
Retraction of the globe on adduction (toward the midline) Absence of the abducens nucleus and nerve (cranial nerve VI) Abnormal eye movement due to the lateral
Duane-radial_ray_syndrome
Involuntary muscle contraction in response to another muscle moving
is an interaction between the abducens nerve and a branch of the oculomotor nerve. Voluntary activation of the abducens nerve (eye abduction) causes involuntary
Synkinesis
Cranial nerve connecting the eye to the brain
Robert A. (1988-02-01). "Anatomical connections of the prepositus and abducens nuclei in the squirrel monkey". The Journal of Comparative Neurology. 268
Optic_nerve
nerves III ( the oculomotor nerve), IV ( the trochlear nerve), and VI (the abducens nerve). Directing visual spatial attention and eye movements to salient
Tectopulvinar_pathway
Three groups of neurons involved in controlling eye movement
extrinsic eye muscles (the oculomotor (CN III), trochlear (CN IV), and abducens (CN VI) nuclei) via the MLF, with additional efferents to the cerebellum
Perihypoglossal_nuclei
Central organ of the human nervous system
ISBN 978-0-8089-2371-8. Specifically the oculomotor, trochlear nerve, trigeminal nerve, abducens nerve, facial nerve, vestibulocochlear nerve, glossopharyngeal nerve, vagus
Human_brain
Trochlear nerve (Pathetic nerve) CN V Trigeminal nerve (Dentist's nerve) CN VI Abducens nerve CN VII Facial nerve CN VIII Vestibulocochlear nerve (Auditory nerve)
List_of_anatomy_mnemonics
Cranial nerve III, for eye movements
originates from the third nerve nucleus at the level of the superior colliculus in the midbrain. The third nerve nucleus is located ventral to the cerebral
Oculomotor_nerve
Cranial nerve IX, for the tongue and pharynx
component originates from the nucleus ambiguus in the reticular formation of the rostral medulla. Fibers leaving the nucleus ambiguus travel anteriorly and
Glossopharyngeal_nerve
Collections of neurons containing serotonin
the vicinity of the vestibular nuclei and abducens nucleus in the rat and in the caudal interstitial nucleus of the medial longitudinal fasciculus of the
Serotonergic_cell_groups
Cranial nerve XII, for the tongue
nerve with a sole motor function. The nerve arises from the hypoglossal nucleus in the medulla as a number of small rootlets, pass through the hypoglossal
Hypoglossal_nerve
Cranial nerve XI, for head and shoulder movements
line with the observation that the spinal accessory nucleus appears to be continuous with the nucleus ambiguus of the medulla. Others consider the spinal
Accessory_nerve
Autoimmune disease in which the immune system attacks healthy tissue
elevated intracranial pressure, papilledema, and headache with occasional abducens nerve paresis, absence of a space-occupying lesion or ventricular enlargement
Lupus
Cranial nerve I, for smelling
Wikimedia Commons has media related to Nervus olfactorius. Anterior olfactory nucleus Phantosmia Mcgraw Hill's Anatomy and Physiology Revealed Vilensky J, Robertson
Olfactory_nerve
Central nervous system pathways
namely oculomotor, trochlear, motor nucleus of the trigeminal nerve, abducens, facial nerve and accessory and in the nucleus ambiguus to the hypoglossal, vagus
Pyramidal_tracts
Overview of and topical guide to the human brain
sensation from the face and certain motor functions such as biting and chewing Abducens nerve (cranial nerve 6) – certain eye rotation Facial nerve (cranial nerve
Outline_of_the_human_brain
Movement of the eyes
supplied by the trochlear nerve, and the lateral rectus, supplied by the abducens nerve. The brain exerts ultimate control over both voluntary and involuntary
Eye_movement
Surgical procedure to restore smile
neurological disorder with bilateral paralysis of both the facial and abducens nerves. Therefore, lateral eye movement and facial animation are absent
Smile_surgery
Nerve cell sending impulse to muscle
phonation, and swallowing. Associated cranial nerves are the oculomotor, abducens, trochlear, and hypoglossal nerves. These motor neurons indirectly innervate
Motor_neuron
Ionotropic receptor and ligand-gated ion channel
and glycine receptors in the somatic and dendritic compartments of rat abducens motoneurons". The Journal of Comparative Neurology. 504 (2): 112–126. doi:10
GABAA_receptor
Transient structure in animal development
ganglion as well as spiral and Scarpa's ganglia. r5 and r6 gives rise to the abducens nerve, and the lower part of r6 and the upper part of r7 gives rise to
Rhombomere
barrier MeSH A08.800.800.120 – cranial nerves MeSH A08.800.800.120.030 – abducens nerve MeSH A08.800.800.120.060 – accessory nerve MeSH A08.800.800.120.250
List_of_MeSH_codes_(A08)
Protein-coding gene in humans
RNA polymerase II-specific Cellular component nucleus Biological process cochlea development abducens nerve formation regulation of behavior regulation
Homeobox_A1
Protein-coding gene in the species Homo sapiens
transcription by RNA polymerase II regulation of transcription, DNA-templated abducens nerve formation regulation of transcription by RNA polymerase II Sources:Amigo
MAFB_(gene)
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