photopigment
(Science: plant biology) pigment involved in photosynthesis in plants. Includes chlorophyll, carotenoids and phycobilins.
A special pigment found in the rods and cones of the retina.Pigments capable of photosynthesis and stimulation by light.
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and external environment, neural pathways that conduct this information to the brain and parts of the brain that processes this information. Know the different sensory systems of the human body as elaborated by this tutorial...