Flocculonodular lobe

From Wikipedia, the free encyclopedia

Brain: Flocculonodular lobe

Schematic representation of the major anatomical subdivisions of the cerebellum. Superior view of an "unrolled" cerebellum, placing the vermis in one plane.

Basal view of a human brain
Gray's	subject #187 791
NeuroNames	hier-676
NeuroLex ID	birnlex_904

The flocculonodular lobe is a lobe of the cerebellum consisting of the nodule and the flocculus.

It is closely associated with the vestibulocerebellum.^[1]

[edit] References

^ "Sect. 8, Ch. 6: The Vestibulocerebellum". http://www.lib.mcg.edu/edu/eshuphysio/program/section8/8ch6/s8ch6_29.htm.

[edit] External links

NIF Search - Flocculonodular lobe via the Neuroscience Information Framework

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.

Human brain, rhombencephalon, metencephalon: cerebellum (TA 14.1.07, GA 9.788)

Surface anatomy

Lobes	Anterior lobe · Posterior lobe (Horizontal fissure) · Flocculonodular lobe (Flocculus, Nodule) Primary fissure

Medial/lateral	Vermis: anterior (Central lobule, Culmen, Lingula) · posterior (Folium, Tuber, Uvula) · Vallecula of cerebellum Hemisphere: anterior (Alar central lobule) · posterior (Biventer lobule, Cerebellar tonsil)

Grey matter

Deep cerebellar nuclei	Dentate · interposed (Emboliform, Globose) · Fastigial

Cerebellar cortex	Molecular layer (Stellate cell, Basket cell) Purkinje cell layer (Purkinje cell, Bergmann glia cell = Golgi epithelial cell) Granule cell layer (Golgi cell, Granule cell, Unipolar brush cell) Fibers: Mossy fibers · Climbing fiber · Parallel fiber

White matter

Internal	Arbor vitae

Peduncles	Inferior (medulla): Dorsal spinocerebellar tract · Olivocerebellar tract · Cuneocerebellar tract · Juxtarestiform body (Vestibulocerebellar tract) Middle (pons): Pontocerebellar fibers Superior (midbrain): Ventral spinocerebellar tract · Dentatothalamic tract · Trigeminocerebellar fibers

v • d • e Auditory and vestibular pathways

Auditory	inner ear: Hair cells → Spiral ganglion → Cochlear nerve ^VIII → pons: Cochlear nuclei (Anterior, Dorsal) → Trapezoid body → Superior olivary nuclei → midbrain: Lateral lemniscus → Inferior colliculi → thalamus: Medial geniculate nuclei → cerebrum: Acoustic radiation → Primary auditory cortex

Vestibular	inner ear: Vestibular nerve ^VIII → pons: Vestibular nuclei (Medial vestibular nucleus, Lateral vestibular nucleus) cerebellum: Flocculonodular lobe spinal cord: Vestibulospinal tract (Medial vestibulospinal tract, Lateral vestibulospinal tract) thalamus: Ventral posterolateral nucleus cerebrum: Vestibular cortex Vestibulo-oculomotor fibers

ear navs: anat/pathways/physio/dev, noncongen/congen, eponymous signs, proc