Pretectal nuclei
Nucleus pretectalis [prae-]
Definition
The pretectal nucleus is a nucleus located in the pretectal region, rostral to the rostral colliculus, which receives axons from the optic tract and participates in the reflex regulation of pupil size via the parasympathetic nucleus of the oculomotor nerve.
References
Evans HE, de Lahunta A. Miller’s anatomy of the dog, 4th edition, Elsevier Saunders, St Louis, 2012.
