optic tectum


Also found in: Dictionary, Thesaurus, Medical, Legal.

optic tectum

[′äp·tik ′tek·təm]
(vertebrate zoology)
The roof of the mesencephalon constituting a major visual center and association area of the brain of premature vertebrates.
Mentioned in ?
References in periodicals archive ?
Following anesthesia, tissue containing the optic tectum and cerebellum was dissected from the crania of tadpoles and froglets and homogenized together in amphibian Ringer's solution.
By finding their optimal positions between these two gradients, retinal axons replicate in the optic tectum the same visual pattern that their cell bodies create in the retina itself, Bonhoeffer suggests.
When we injected directly into the brain third ventricle of medium sized fish, cells in the telencephalon, optic tectum, and occasionally in the hypothalamus (not shown) were transfected with CMV-GFP (800 ng in 2 [micro]L).