Examlex
Which of the following are tiny sacs in a synaptic knob that release chemicals into the synapse?
Cones
Photoreceptor cells in the retina of the eye that function in bright light and enable the perception of color and fine detail.
Excitation
A process that increases the likelihood or strength of a response in neural or physiological systems.
Dark Adaptation
The process by which the eyes increase their sensitivity to low levels of light.
Rods
Photoreceptor cells in the retina of the eye that function in low light conditions and are responsible for night vision.
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