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.)
Latin '
Gray's subject #188 805
Part of
BrainInfo/UW ancil-324
MeSH A08.

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

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Mesencephalon (midbrain)

cerebral peduncle: midbrain tegmentum (periaqueductal gray, ventral tegmentum, nucleus raphe dorsalis), pretectum, substantia nigra, red nucleus, pedunculopontine nucleus, medial longitudinal fasciculus, medial lemniscus, rubrospinal tract, lateral lemniscus

tectum: corpora quadrigemina, inferior colliculi, superior colliculi

cerebral aqueduct: oculomotor nucleus, trochlear nucleus, Edinger-Westphal nucleus

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