See Also: pretectal area(medicine)
Pretectal area(health)
pretectal region(medicine)
pretectal nucleus(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Medicine Lodge Memorial Hospital- Medicine Lodge(health)
Mount Emei Scenic Area, including Leshan Giant Buddha Scenic Area(tourism)
Orthomolecular medicine (orthomolecular nutritional medicine, orthomolecular therapy)(health)
medicine(dictionary)
medicine(dictionary)

pretectal area (medicine)


pretectal area


A narrow, transversally oriented rostral zone of the mesencephalic tectum, bounded caudally by the superior colliculus, rostrally by the habenular trigone, and laterally by the pulvinar thalami; the area contains several nuclei that receive fibres from the optic tract; it has bilateral efferent connections with the Edinger-Westphal nucleus of the oculomotor nuclear complex by way of which it mediates the pupillary light reflex.

Synonym: pretectal region, pretectum.