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1. Taste Sensations: taste relies on the detection of the following five classes of chemicals: and 2. Detection of taste begins when: Taste receptors are classified by the substance to which they detect, with only one type of receptor associated with an individual gustatory cell. 3. Activation of Taste Receptors. A substance must first dissolve in before it can reach a taste bud where it may be detected as a gustatory stimulus. Changes in ion movements depolarize the gustatory cell's plasma membrane causing the opening of voltage-gated honnele The ontry of ions into the cell triggers the

1. Taste Sensations: taste relies on the detection of the following five classes of chemicals: and 2. Detection of taste begins when: Taste receptors are classified by the substance to which they detect, with only one type of receptor associated with an individual gustatory cell. 3. Activation of Taste Receptors. A substance must first dissolve in before it can reach a taste bud where it may be detected as a gustatory stimulus. Changes in ion movements depolarize the gustatory cell's plasma membrane causing the opening of voltage-gated honnele The ontry of ions into the cell triggers the

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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C. Physiology of Gustation: the sense of taste involves signal transduction of chemicals in food into electrical signals that can be sent to the CNS 1. Taste Sensations: taste relies on the detection of the following five classes of chemicals: and 2. Detection of taste begins when: Taste receptors are classified by the substance to which they detect, with only one type of receptor associated with an individual gustatory cell. 3. Activation of Taste Receptors. A substance must first dissolve in before it can reach a taste bud where it may be detected as a gustatory stimulus. Changes in ion movements depolarize the gustatory cell's plasma membrane causing the opening of voltage-gated ions channels. The entry of ions into the cell triggers the release of neurotransmitters, which produce an action potential in the axon of the sensory neuron . 4. The Gustatory Pathway. Taste stimuli travel to various regions of the brain for processing and integration. The following pathways accomplish these connections : Axons of the and nerves carry taste stimuli from the tongue into the CNS. Axons of these three nerves terminate in the solitary nucleus in the medulla by synapsing on central sensory neurons. Axons from the solitary nucleus synapse on neurons in the thalamus, which then send them to the primary gustatory cortex in the lobe. From the primary gustatory cortex, taste signals travel to either the inferior region of the frontal lobe for integration with visual and olfactory information or to the system, which provides emotional reactions to taste. Anatomy of the Eye A. The eyeballs are located in the anterior one-third of the orbit on either side of the nasal cavity. Copyright © 2016 Pearson Education, Inc 207
Transcribed Image Text:C. Physiology of Gustation: the sense of taste involves signal transduction of chemicals in food into electrical signals that can be sent to the CNS 1. Taste Sensations: taste relies on the detection of the following five classes of chemicals: and 2. Detection of taste begins when: Taste receptors are classified by the substance to which they detect, with only one type of receptor associated with an individual gustatory cell. 3. Activation of Taste Receptors. A substance must first dissolve in before it can reach a taste bud where it may be detected as a gustatory stimulus. Changes in ion movements depolarize the gustatory cell's plasma membrane causing the opening of voltage-gated ions channels. The entry of ions into the cell triggers the release of neurotransmitters, which produce an action potential in the axon of the sensory neuron . 4. The Gustatory Pathway. Taste stimuli travel to various regions of the brain for processing and integration. The following pathways accomplish these connections : Axons of the and nerves carry taste stimuli from the tongue into the CNS. Axons of these three nerves terminate in the solitary nucleus in the medulla by synapsing on central sensory neurons. Axons from the solitary nucleus synapse on neurons in the thalamus, which then send them to the primary gustatory cortex in the lobe. From the primary gustatory cortex, taste signals travel to either the inferior region of the frontal lobe for integration with visual and olfactory information or to the system, which provides emotional reactions to taste. Anatomy of the Eye A. The eyeballs are located in the anterior one-third of the orbit on either side of the nasal cavity. Copyright © 2016 Pearson Education, Inc 207
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