Facial colliculus

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Biological: Behavioural genetics · Evolutionary psychology · Neuroanatomy · Neurochemistry · Neuroendocrinology · Psychoneuroimmunology · Physiological Psychology · Psychopharmacology

Brain: Facial colliculus

Rhomboid fossa. (Colliculus facialis labeled at center left.)
File:Human caudal brainstem posterior view description.JPG
Human caudal brainstem posterior view (Colliculus facialis is #3)
Latin	colliculus facialis
Gray's	subject #187 799
Part of
Components
Artery
Vein
BrainInfo/UW	hier-621
MeSH	[1]

The facial colliculus is an elevated area located on the dorsal pons. It is formed by motor fibres of the facial nerve as they loop over the abducens nucleus. Thus a lesion to the facial colliculus would result in facial muscle paralysis.

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v·d·e

Human brain, rhombencephalon, metencephalon: pons (TA A14.1.05.101-604, GA 9.785)

Dorsal/
(tegmentum)


Surface	Cerebellopontine angle · Superior medullary velum · Sulcus limitans · Medial eminence · Facial colliculus
White: Sensory/ascending	Trapezoid body/VIII · Trigeminal lemniscus (Dorsal trigeminal tract, Ventral trigeminal tract) · Medial lemniscus · Lateral lemniscus MLF, III, IV and VI: Vestibulo-oculomotor fibers Anterior trigeminothalamic tract · Central tegmental tract
White: Motor/descending	ICP (Vestibulocerebellar tract) MLF, III, IV and VI: Vestibulospinal tract (Medial vestibulospinal tract, Lateral vestibulospinal tract)
Grey: Cranial nuclei	afferent: GSA: Principal V/Spinal V · VIII-c (Dorsal, Anterior)/VIII-v (Superior) efferent: SVE: Motor V · VII · GSE: VI · GVE: VII: Superior salivary nucleus
Other grey	Apneustic center · Pneumotaxic center (Medial parabrachial nucleus) · Lateral parabrachial nucleus · Superior olivary nucleus · Caerulean nucleus

Ventral/
(base)

Grey

Pontine nuclei

White: Motor/descending

Corticospinal tract · Corticobulbar tract · Corticopontine fibers

MCP (Pontocerebellar fibers)

Surface

Basilar sulcus

Other grey: Raphe/
reticular

Reticular formation (Caudal, Oral, Tegmental, Paramedian) · Raphe nuclei (Median)

v·d·e Ventricular system, rhombencephalon, met- and myel-: fourth ventricle (TA A14.1.05.701–726, GA 9.797)
Roof (dorsal)	rostral: Superior medullary velum (Frenulum) caudal: Inferior medullary velum · Taenia of fourth ventricle
Floor/rhomboid fossa (ventral)	rostral (pons): Facial colliculus · Locus coeruleus caudal (medulla}: Vagal trigone · Hypoglossal trigone · Area postrema · Obex Medial eminence · Sulcus limitans
Apertures	Median/Magendie · Lateral recess to Lateral/Luschka
Other	Tela chorioidea of fourth ventricle · Fastigium
Template:Central nervous system navs

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Facial colliculus

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