Corona radiata

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Brain: Corona radiata
Gray745.png
Dissection showing the course of the cerebrospinal fibers.
Gray's subject #189 837
NeuroNames ancil-542
For the structure in embryology, see Corona radiata (embryology)

In neuroanatomy, the corona radiata refers to the descending bundle (or sheet) of axons that are involved with finely coordinated movement. The corona radiata is associated with the corticospinal tract.

Additional images

  • Superficial dissection of brain-stem. Lateral view.

External links


v • d • e
Brain: telencephalon (cerebrum, cerebral cortex, cerebral hemispheres)
Frontal lobePrecentral gyrus (Primary motor cortex, 4)

Superior frontal gyrus/Frontal eye fields (6, 8, 9), Middle frontal gyrus (46), Inferior frontal gyrus/Broca's area (44-Pars opercularis, 45-Pars triangularis)

Orbitofrontal cortex (10, 11, 12, 47)

Prefrontal cortex, Premotor cortex

Precentral sulcus - Superior frontal sulcus - Inferior frontal sulcus - Olfactory sulcus
Parietal lobeSomatosensory cortex (Primary (1, 2, 3, 43), Secondary (5)), Precuneus (7m) - Parietal operculum

Parietal lobules (Superior (7l), Inferior (40)), Angular gyrus (39)

Intraparietal sulcus, Marginal sulcus
Occipital lobePrimary visual cortex (17), (Cuneus, Lingual gyrus, Lateral occipital gyrus (18, 19))
Calcarine fissure
Temporal lobePrimary auditory cortex (41, 42), Superior temporal gyrus (38, 22/Wernicke's area), Middle temporal gyrus (21), Inferior temporal gyrus (20)
Fusiform gyrus (37) Medial temporal lobe (Amygdala, Parahippocampal gyrus (27, 28, 34, 35, 36)
Cingulate cortex/gyrusSubgenual area (25), Anterior cingulate (24, 32, 33), Posterior cingulate (23, 31), Retrosplenial cortex (26, 29, 30)
Callosal sulcus
Interlobar sulci/fissureslateral: Central (frontal+parietal), Lateral (frontal+parietal+temporal), Parietoöccipital
medial: Medial longitudinal, Cingulate (frontal+cingulate), Collateral (temporal+occipital)
White matter tractsCommissural fibers - Association fibers

Internal capsule (Anterior limb, Genu, Posterior limb), Corona radiata, External capsule, Lamina terminalis, Extreme capsule, Semioval center

Olfactory tract, Terminal stria
OtherInsular cortex

gray: Olfactory bulb, Anterior olfactory nucleus, Basal optic nucleus of Meynert, Substantia innominata, Anterior perforated substance

Corpus striatum - Limbic lobe
Some categorizations are approximations, and some Brodmann areas span gyri.

de:Corona radiata

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