Corticopontine fibers

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Brain: Corticopontine fibers
Coronal section through mid-brain.
Latin	fibrae corticopontinae, tractus corticopontinus
Gray's	subject #191 862
NeuroNames	ancil-375
Dorlands/Elsevier	f_05/12361923

Corticopontine fibers connect the voluntary impulses from the cerebral cortex to the pons.

These fibers probably terminate in relation with association neurons which control the coördinated action of all the eye muscles.

[edit] See also

• Corticospinal tract

[edit] External links

• Brainstem at UWisc 16Pontine

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 As such, some of the information contained herein may be outdated.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.

v • d • e Brain: mesencephalon (midbrain) Tectum (Dorsal) Corpora quadrigemina: Inferior colliculi (Brachium of inferior colliculus), Superior colliculi (Brachium of superior colliculus) Subcommissural organ • Pretectum Peduncle (Ventral) Peduncle tegmentum Periaqueductal gray (Cerebral aqueduct, Dorsal raphe nucleus) Ventral tegmentum • Pedunculopontine nucleus • Red nucleus (Rubrospinal tract, Rubro-olivary tract)  • MLF (riMLF)  • lemnisci (Medial, Lateral) cranial nuclei: GSA (V: Mesencephalic) - GSE (III: Oculomotor, IV: Trochlear) - GVE (III: Edinger-Westphal) Interstitial cell of Cajal Superior cerebellar peduncles (Decussation of superior cerebellar peduncle) Peduncle base Substantia nigra (Pars compacta, Pars reticulata) Cerebral crus: Corticospinal tract - Corticobulbar tract - Corticopontine tract/Frontopontine fibers/Temporopontine fibers Interpeduncular fossa

v • d • e Brain: rhombencephalon (hindbrain) Metencephalon/ pons Dorsal/ (tegmentum) surface: Locus ceruleus Trigeminal lemniscus (Dorsal trigeminal tract, Ventral trigeminal tract) cranial nuclei: GSA: Principal V/Spinal V - VIII-c (Dorsal, Anterior)/VIII-v (Lateral, Superior, Medial, Inferior) - SVE: Motor V - VII - GSE: VI - GVE: VII: Superior salivary nucleus MLF, III, IV and VI (vestibulo-oculomotor fibers, medial vestibulospinal tract) sensory/ascending: Trapezoid body/VIII - Superior olivary nucleus Inferior cerebellar peduncle (Vestibulocerebellar tract) motor/descending: Apneustic center • Pneumotaxic center (Medial parabrachial nucleus) - Lateral parabrachial nucleus Ventral/ (base) Middle cerebellar peduncles (Pontocerebellar fibers) - Pontine nuclei motor/descending: Corticospinal tract - Corticobulbar tract - Corticopontine fibers Raphe/reticular Reticular formation (Caudal, Oral, Tegmental, Paramedian) • Raphe nuclei (Median) Myelencephalon/ medulla Dorsal surface: Posterior median sulcus - Postero-lateral sulcus - Area postrema cranial nuclei: GVA: VII,IX,X: Solitary/tract • SVA: Gustatory nucleus • GSE: XII  • GVE: IX,X,XI: Ambiguus • SVE: X: Dorsal • IX: Inferior salivatory nucleus - MLF, III, IV and VI sensory/ascending: Gracile nucleus • Cuneate nucleus (Accessory cuneate nucleus) • Sensory decussation  • Medial lemniscus motor/descending: Dorsal respiratory group Ventral motor/descending: Ventral respiratory group - Pyramid (Motor decussation) - Inferior olivary nucleus (Olivocerebellar tract, Rubro-olivary tract) surface: Anterior median fissure - Antero-lateral sulcus - Arcuate nucleus of medulla - Olivary body Raphe/reticular Reticular formation (Gigantocellular, Parvocellular, Ventral, Lateral, Paramedian) • Raphe nuclei (Obscurus, Magnus, Pallidus)