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CMA Chapter 10
The Senses
Term | Definition |
---|---|
Accommodation | Mechanism that allows the eye to focus at various distances |
Bulbus oculi | The eyeball |
Chemoreceptor | Detects the presence of chemicals |
Cochlea | Snail-shaped portion of the inner ear |
Crista ampullaris | Receptor organ located within the ampulla of the semicircular canals |
General Senses | Located throughout the body |
Gustatory sense | Sense of taste |
Lacrimal apparatus | Produce and convey tears |
Macula lutea | Yellowish depression on the retina |
Mechanoreceptors | Sensory receptors that respond to a bending or deformation of the cell |
Nociceptors | Pain receptors |
Olfaction | Sense of smell |
Otoliths | Little stones of calcium carbonate in the macula of the inner ear |
Photoreceptors | Sensory receptors that detect light |
Proprioception | Sense of the body position and movements |
Refraction | Bending of light as it passes from one medium to another |
Rhodopsin | Photosensitive pigment in the rods |
Sensory adaptation | Receptors sensitivity decreases with prolonged stimulation |
Special senses | Senses with receptors localized in a particular area |
Thermoreceptors | Sensory receptors that detect changes in temperature |