LEMNISCO LATERAL PDF

Núcleos del lemnisco lateral y del colículo inferior Los núcleos dorsal y ventral del lemnisco lateral son eslabones de las vías ascendentes de los núcleos. asta anterior del ventrículo lateral, frontal horn of the lateral ventricle. asta frontal . decusacion del lemnisco medial, decussation of the medial lemniscus. (II); del complejo olivar superior (III); del lemnisco lateral (IV); de los tubérculos cuadrigéminos superiores (V); y de los centros auditivos superiores (VI y VII).

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Horizontal section through the lower part of the pons. Interpeduncular nucleus Midbrain reticular formation. Flocculonodular lobe spinal cord: Apneustic center Pneumotaxic center Parabrachial nuclei Subparabrachial nucleus Medial parabrachial nucleus Lateral parabrachial nucleus Superior olivary nucleus Locus coeruleus.

Brainstem Central nervous system pathways Somatosensory system Thalamus. Lateral lemniscus in red, as it connects the cochlear nucleussuperior olivary nucleus and the inferior colliculus.

Golgi organ Muscle latera, Intrafusal muscle fiber Nuclear chain fiber Nuclear bag fiber. VNLL cells have little spontaneous activity, broad and moderately complex tuning curves; they have both phasic and tonic responses and are involved in temporal processing.

Trigeminal motor nucleus Facial motor nucleus GSE: Anatomy of the medulla. Hypoglossal nucleus Nucleus ambiguus Dorsal nucleus of vagus nerve Inferior salivatory nucleus. Trapezoid body Trigeminal lemniscus Dorsal trigeminal tract Ventral lemnisoc tract Medial lemniscus Lateral lemniscus Medial longitudinal fasciculus Vestibulo-oculomotor fibers Anterior trigeminothalamic tract Central tegmental tract.

This structure is greatly hypertrophied in the rat, forming a prominent bulge on the surface of the brainstem.

Three distinct, primarily inhibitory, cellular groups are located interspersed within these fibers, and are thus named ,emnisco nuclei of the lateral lemniscus. Views Read Edit View history. Wikipedia articles with TA98 identifiers. Free nerve ending Nociceptors. In that sense, this is not a ‘ lemniscus ‘ in the true sense of the word second order, decussated sensory axonsas there is third and out of the lateral superior olivefourth order information coming out of some of these brainstem nuclei.

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Inferior colliculus Brachium Superior colliculus Brachium. After neurons carrying proprioceptive or fine touch information synapse at the gracile and cuneate nuclei, axons from secondary neurons decussate at the level of the medulla and travel up the brainstem as the medial lemniscus on the contralateral opposite side.

From Wikipedia, the free encyclopedia. Periaqueductal gray Raphe nuclei dorsal. Sensory Sensory decussation Medial lemniscus Juxtarestiform body Ascending dorsal longitudinal fasciculus Medial longitudinal fasciculus Motor Descending dorsal longitudinal fasciculus Medial longitudinal fasciculus.

Spinotectal tract Central tegmental tract.

Cerebellopontine angle Superior medullary velum Sulcus limitans Medial eminence Facial colliculus. There are three small nuclei on each of the lateral lemnisci: Apneustic center Pneumotaxic center Parabrachial nuclei Subparabrachial nucleus Medial parabrachial nucleus Lateral parabrachial nucleus Superior olivary nucleus Locus coeruleus.

Medial lemniscus – Wikipedia

Anatomy of the pons. Sensory axons transmitting information from the head and neck via the trigeminal nerve synapse at the ventral posteromedial nucleus of the thalamus. General Auditory system Bone conduction Otoacoustic emission Tullio phenomenon.

Cerebellopontine angle Superior medullary velum Sulcus limitans Medial eminence Facial colliculus. The internal arcuate fibers are composed of axons of nucleus gracilis and nucleus cuneatus. Pyramid Anterior median fissure Anterolateral sulcus Olive Inferior olivary nucleus.

Trapezoid body Trigeminal lemniscus Dorsal trigeminal tract Ventral trigeminal tract Medial lemniscus Lateral lemniscus Medial longitudinal fasciculus Vestibulo-oculomotor fibers Anterior trigeminothalamic tract Central tegmental tract.

Anatomy of the elmnisco. In rat, the VNLL is composed of two subdivisions, the ventral columnar and dorsal non columnar regions. This page was last edited on 29 Decemberat Ventral tegmental area Rostromedial tegmental nucleus Pedunculopontine nucleus. Red nucleus Rostral interstitial nucleus of medial longitudinal fasciculus Parabrachial area.

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Interpeduncular nucleus Midbrain reticular formation. Descending tracts Olivocerebellar tract Rubro-olivary tract. Lateral lemniscus Lateral lemniscus in red, as it connects the cochlear nucleussuperior olivary nucleus and the inferior colliculus. The lateral lemniscus is located where the cochlear nuclei and the laferal reticular formation PRF crossover.

Inferior colliculus Brachium Superior colliculus Brachium. Medial lemniscus lemnsco at top right. Inferior cerebellar peduncle Vestibulocerebellar tract Medial longitudinal fasciculus Vestibulospinal tract Medial vestibulospinal tract Lateral vestibulospinal tract. Glycinergic axon terminals, on the other hand, are more finely localized, with the majority of recipient neurons located laterally in the nucleus. Scheme showing the course of the fibers of the lemniscus; medial lemniscus in blue, lateral in red.

The medial lemniscus carries axons from most of the body and synapses in the ventral posterolateral nucleus of the thalamusat the level of the mamillary bodies. The temporal responses are significantly different from cells of the VNLL.

Lateral lemniscus

The two lemnisci communicate via the commissural fibers of Probst. Anatomy of the midbrain.

By using this site, you agree to the Terms of Use and Privacy Policy. All articles with unsourced statements Articles with unsourced statements from August Wikipedia articles with TA98 identifiers. Coronal section through mid-brain.