In the brain, the<unk>  (Latin for "quadruplet bodies") are the four colliculi—two inferior, two superior—located on the tectum of the dorsal aspect of the midbrain. They are respectively named the inferior and superior colliculus. The<unk>  are reflex centers involving vision and hearing. It consists of groups of nerve cells-grey matter scattered in white matter. It basically connects the forebrain and the hind brain. It has four<unk>  which are the reflex centres of eye movement and auditory responses. The superior part of<unk>  are called superior colliculi, and inferior part as inferior colliculi.
Corpora quadrigemina
Caput medusae
Fovea centralis
Caput Medusae
Penis captivus
Glia limitans
Commotio cordis
Cutis verticis gyrata