from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of or pertaining to the retina and the hypothalamus; used especially of the retinohypothalamic tract, a photic input pathway involved in the circadian rhythms of mammals.
Sorry, no etymologies found.
There is a pathway from the retinas to the hypothalamus, called the retinohypothalamic tract.
Lenn NJ (1972) A retinohypothalamic projection in the rat.
The only well developed visual domains are those involved in controlling the circadian and circannual biological rhythms - the suprachiasmatic nucleus and the retinohypothalamic projections.
Miyamoto Y, Sancar A (1998) Vitamin B2-based blue-light photoreceptors in the retinohypothalamic tract as the photoactive pigments for setting the circadian clock in mammals.