Specialized cells called ______ can respond to light directly, rather than only through a signaling cascade from rods and cones.

Question

Quizplus · Accepted Answer

Intrinsically photosensitive retinal ganglion cells (ipRGCs) can respond directly to light without the need for input from rods and cones. They contain the photopigment melanopsin, which allows them to detect light independently and play a crucial role in regulating circadian rhythms and pupil responses.

Specialized Cells Called ______ Can Respond to Light Directly, Rather