Professor West is lecturing on sleep cycles and tells his class that the axons that form the retinohypothalamic pathway
A) come from special ipRGC cells within the suprachiasmatic nucleus (SCN).
B) come from special cells called extrinsically photosensitive retinal ganglion cells.
C) come from special cells called intrinsically photosensitive retinal ganglion cells.
D) come from special color-sensitive ganglion cells within the retina.

Question

Quizplus · Accepted Answer

The retinohypothalamic pathway refers to the pathway which carries information about light from the eye to the hypothalamus. These axons originate from special cells called intrinsically photosensitive retinal ganglion cells (ipRGCs), which are distinct from the cells that contribute to image formation.

Professor West Is Lecturing on Sleep Cycles and Tells His