Fill-in (complete each statement with the correct term) 1. The are three passages, each forming a circle and each in a different plane. 2. When traveling in an automobile, you sense that you have suddenly turned a .comer. The sensation you have is mainly an aspect of the sense of_?_ equilibrium. 3. In a weightless environment, as in deep space, the sense of __?_ equilibrium would not work well, if at all. 4. The vestibular membrane and basilar membrane are walls of the labyrinth. 5. The sensory patch in the utricle's lining is called the ____ 6. The sensory patch in the utricle's lining has receptors for the sense of? 7. The is a passage that allows air pressure in the middle ear to reach equilib rium with atmospheric air pressure. 8. The auditory ossicles are joined to one another with _?_ (type) joints. 9. The __has a flat, pluglike portion that fits into the oval window. 10. Both the oval window and the _?__ window are on the boundary of the middle and inner ear. 11: During sound reception, the tectorial membrane vibrates and stimulates the hair cells in the _?__ 12. The is the most external portion of the external ear. 13. The amplify sound waves by as much as 20 times their original intensity. 14. The semicircular canals have sensory structures called _?__ within the ampullae. 15. The semicircular canals have sensory structures for the sense of_?_ 16. The maculae of the vestibular sensory regions are covered with.gelatinous material. _?_ are embedded in this material.
Anatomy and Physiology of Special Sensory Organs
Sensory organs can be labeled as special sensory structures that permit sight, hearing, odor, and flavor. Sensory structures permitting proprioception, touch, thermal, and pain perception can be classified as more advanced sensory organs. The sensory neurons are trained to find out modifications in the external and internal conditions so that a person's body can react to that change. A stimulus is the first signal that is recognized by any sensory receptor of the body. Stimulus is an impulse generated when there is a change in the surroundings of a person. For example, a heated environment will alert the brain through the thermal sensory organs and generate a reflex accordingly.
Sensory Receptors
The human sensory system is one of the most complex and highly evolved structures, which processes a myriad of incoming messages. This well-coordinated system helps an organism or individual to respond to external stimuli, appropriately. The sensory receptors are an important part of the sensory system. These receptors are specialized epidermal cells that respond to external environmental stimuli. These receptors consist of structural and support cells that form the peripheral unit of the receptor and the neural dendrites which receive and detect the external stimuli.
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