A light receptor is a specialized cell or molecule that detects light stimuli and converts them into electrical signals that can be interpreted by the brain or other parts of the nervous system. In animals, light receptors are found in the eyes and play a crucial role in vision.
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Photoreceptor
A simple neural receptor is a specialized cell or group of cells that detect specific stimuli (such as light, sound, or touch) and convert them into electrical signals that can be interpreted by the nervous system. These receptors play a critical role in sensory perception and response.
Rhodopsin is a receptor found specifically in the rod cells of the retina in the eye. It is responsible for detecting light and initiating the process of visual perception in low-light conditions.
The receptor used in feeling a caress is the C-tactile (CT) afferent receptor, which responds to gentle, slow, and comforting touch. These receptors are located close to the skin's surface and are responsible for transmitting pleasant sensations associated with light touch, such as a caress.
a receptor