Chapter 49 Notes (Sensory Organs & Muscle Contraction)

Chapter 49 Notes (Sensory Organs & Muscle Contraction)...

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Chapter 49 Notes (Sensory Organs) 1. Basic terms a. Sensation: the simple process of getting the stimuli – such as vision, smell… b. Perception: the process of interpreting the senses – such as action potential. c. Exteroreceptors : The receptors that detect stimuli coming from the outside of the body d. Interoreceptors : The receptors that detect internal stimuli 2. The sequence of transmission of senses a. Reception – Transduction – Amplification – Transmission – Integration b. Sensory Adaptation: A decrease in responsiveness during continued stimulation i. You smell the weird thing in the room, but after a while, you do not smell anymore because your nose gets tired of sensing the stimulus. c. Different types of receptors i. Mechanoreceptors – Mechanoreceptors ii. Chemoreceptors – Gustatory Receptors iii. Electromagnetic receptors – Photoreceptors iv. Thermoreceptors – Skin v. Pain receptors – Epidermis 3. Hearing and Ear a. Ear – Perceives sounds, controls ear pressure and equilbrium. (Figure 49.8)
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This note was uploaded on 02/11/2012 for the course ZOOLOGY 152 taught by Professor Stephengammie during the Fall '11 term at University of Wisconsin.

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Chapter 49 Notes (Sensory Organs & Muscle Contraction)...

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