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colliculus

British  
/ kɒˈlɪkjʊləs /

noun

  1. anatomy a small elevation, as on the surface of the optic lobe of the brain

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of colliculus

C19: New Latin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The superior colliculus works like a built-in radar, taking direct signals from the retina before the cortex receives them.

From Science Daily • Nov. 8, 2025

Researchers at the Netherlands Institute for Neuroscience have discovered that a brain area preserved through evolution, called the superior colliculus, is more crucial for vision than we thought.

From Science Daily • Jan. 29, 2024

To find out exactly what the superior colliculus does, Leonie Cazemier and her colleagues from Alexander Heimel's and Pieter Roelfsema's groups studied mice and their ability to distinguish objects from the background.

From Science Daily • Jan. 29, 2024

Contrary to the previous study, the mice became worse at detecting the object, indicating that the superior colliculus plays an important role during this process.

From Science Daily • Jan. 29, 2024

In the bony fishes the optic tract reaches the grey matter of the optic lobe, a part of the mid-brain, to which the so-called anterior colliculus is equivalent in the mammalian brain.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" by Various