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Sensory Receptors
| Term | Definition |
|---|---|
| brain | The organ that serves as the primary control center of the nervous system in all vertebrate and most invertebrate animals. |
| chemical input | A chemical that enters the body. |
| electromagnetic | Relating to interactions among electrically charged particles and electromagnetic fields. |
| electromagnetic input | Signals that enter the body in the form of electromagnetic stimuli. |
| mechanical input | Signals that enter the body through physical touch or vibration. |
| nerve cell | A cell specialized for transmitting fast electrochemical signals. |
| sensory receptor | A nerve ending that sends signals to the central nervous system when it is stimulated. |
| stimulus | Any change or signal in the environment that can make an organism react. |
| mechanoreceptor | Sensory receptors located in skin, skeletal muscles, and inner ears that respond to touch, pressure, stretching of muscle, sound, and motion. |
| proprioception | The ability to sense the position, location, and orientation of the body. |
| chemoreceptor | Special cells within a sense organ (especially the nose and tastebuds) that are sensitive to particular chemicals, giving you the sensations of smell and taste. |
| olfactory sensation | Sense of smell |
| gustatory sensation | Sense of taste |
| thermoreceptor | Special cells located in your skin, part of your brain and body core that are sensitive to temperature. |
| photoreceptor | The light-sensitive cells in the retina- the rods and cones. |