Corpora quadrigemina

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Brain: Corpora quadrigemina
Rhomboid fossa. ("Corpora quadrigemina" visible at top.)
Sagittal section through right cerebellar hemisphere. The right olive has also been cut sagitally. ("Corpora quadrigemina" visible at upper right.)
Gray's subject #188 805
NeuroNames ancil-324
MeSH Corpora+Quadrigemina

In the brain, the corpora quadrigemina (Latin for "quadruplet bodies") are the four colliculi—two inferior, two superior—located on the tectum the dorsal aspect of the midbrain.

The corpora quadrigemina are reflex centers involving vision and hearing. 1

Schematic representation of the chief ganglionic categories (I to V).

Coronal section through mid-brain.

Scheme showing the course of the fibers of the lemniscus; medial lemniscus in blue, lateral in red.

Dissection showing the ventricles of the brain.

Median sagittal section of brain.

Upper part of medulla spinalis and hind- and mid-brains; posterior aspect, exposed in situ.

1. Marieb, Elaine N. Essentials of Human Anatomy & Physiology. 6th ed. San Francisco: Daryl Fox, 2000. 210.

v • d • e
Brain: mesencephalon (midbrain)
Tectum Corpora quadrigemina (Inferior colliculi, Superior colliculi) • Subcommissural organ • Pretectum
Peduncle tegmentum Periaqueductal gray (Cerebral aqueduct, Dorsal raphe nucleus) • Ventral tegmentum • Pedunculopontine nucleus • Red nucleus • MLF (riMLF)  • lemnisci (Medial, Lateral) • cranial nuclei (III: Oculomotor nucleus, III: Edinger-Westphal nucleus, IV: Trochlear nucleus, V: Mesencephalic)
Peduncle base Substantia nigra • Cerebral crus (Corticospinal tract, Corticobulbar tract, Corticopontine tract/Frontopontine fibers/Temporopontine fibers)
 This neuroanatomy article is a stub. You can help Wikipedia by expanding it.
Retrieved from "http://en.wikipedia.org/wiki/Corpora_quadrigemina"
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