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A&P1-7 Nervous Sense
Ch 7: Nervous Systems - Senses
Term | Definition |
---|---|
Accommodation | Ability of the eye to change the shape of the lens to keep an image in focus with a change in distance |
Dynamic equilibrium | Equilibrium perceived when the head is rotating |
Gustation | The sense of taste |
Humor | Fluid found in the eye (aqueous humor & vitreous humor) |
Hyperopia | Farsightedness caused by the cornea and lens focusing an image behind the retina |
Lacrimal | Pertaining to tears |
Lingual | Pertaining to the tongue |
Myopia | Nearsightedness caused by the cornea and lens focusing an image ahead of the retina |
Nociceptor | Pain receptor that detects tissue injury or potential tissue injury |
Olfactory | Pertaining to the sense of smell |
Otoliths | Calcium carbonate and protein granules located in the saccule and utricle of the inner ear |
Perilymph | Fluid found in the cochlea of the inner ear |
Presbyopia | A decreased ability of the eye to accommodate (lens of the eye loses its ability to focus, making it difficult to see objects up close) |
Receptive field | An area in which a single neuron is responsible for detecting a stimulus |
Refraction | The bending of light as it passes through materials of different densities |
Sensorineural | Type of hearing loss caused by a problem with the organ of Corti or the auditory nerve |
Static equilibrium | Equilibrium perceived when the head is stationary or moving in a straight line |
Umami | A meaty taste derived from some amino acids binding to taste buds |
Vestibular apparatus | Anatomy used to perceive equilibrium; includes the saccule, utricle, and semicircular canals of the inner ear |
Visual acuity | Ability to discern visual detail. The best visual acuity is the sharpest vision |