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Cell body of somatic motor neuron Cell body of an ANS preganglionic neuron Cell body of an ANS postganglionic neuron Myelin sheath

Cell body of somatic motor neuron Cell body of an ANS preganglionic neuron Cell body of an ANS postganglionic neuron Myelin sheath

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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### Educational Content: Anatomy of Neurons #### Myelin Sheath The myelin sheath is a protective covering that surrounds axons, which are the long, threadlike parts of a nerve cell. The primary function of the myelin sheath is to increase the speed at which electrical impulses propagate along the nerve cells. --- #### Types of Neuron Cell Bodies ##### 1. **Cell body of a somatic motor neuron** Somatic motor neurons are responsible for voluntary movements, as they transmit signals from the central nervous system to the skeletal muscles. ##### 2. **Cell body of an ANS preganglionic neuron** Preganglionic neurons are part of the autonomic nervous system (ANS) and play a role in relaying information from the spinal cord to a ganglion. ##### 3. **Cell body of an ANS postganglionic neuron** Postganglionic neurons in the ANS transmit signals from a ganglion to the target organ. --- ### Visual Key The image also features graphical checkboxes beside each neuron type. These might be part of an interactive quiz or learning module where users are required to select the correct option for identifying different components of nerve cells. If this is part of an interactive learning activity, each checkbox should ideally link to more detailed information or a quiz outcome based on the user's selection. --- This section on neuron cell bodies provides a detailed look into the key elements involved in neural communication, specifically focusing on the distinction between different types of neuron cell bodies within the central and autonomic nervous systems.
Transcribed Image Text:### Educational Content: Anatomy of Neurons #### Myelin Sheath The myelin sheath is a protective covering that surrounds axons, which are the long, threadlike parts of a nerve cell. The primary function of the myelin sheath is to increase the speed at which electrical impulses propagate along the nerve cells. --- #### Types of Neuron Cell Bodies ##### 1. **Cell body of a somatic motor neuron** Somatic motor neurons are responsible for voluntary movements, as they transmit signals from the central nervous system to the skeletal muscles. ##### 2. **Cell body of an ANS preganglionic neuron** Preganglionic neurons are part of the autonomic nervous system (ANS) and play a role in relaying information from the spinal cord to a ganglion. ##### 3. **Cell body of an ANS postganglionic neuron** Postganglionic neurons in the ANS transmit signals from a ganglion to the target organ. --- ### Visual Key The image also features graphical checkboxes beside each neuron type. These might be part of an interactive quiz or learning module where users are required to select the correct option for identifying different components of nerve cells. If this is part of an interactive learning activity, each checkbox should ideally link to more detailed information or a quiz outcome based on the user's selection. --- This section on neuron cell bodies provides a detailed look into the key elements involved in neural communication, specifically focusing on the distinction between different types of neuron cell bodies within the central and autonomic nervous systems.
### Neural Pathway Diagram #### Description: This diagram depicts a neural pathway involving the Central Nervous System (CNS) and its connection to skeletal muscles and visceral organs such as the small intestine. The pathway shows the interactions between neurons and is labeled with points A, B, C, D, and E. #### Label Explanations: 1. **A**: Located within the CNS (spinal cord), this label marks one of the neurons. 2. **B**: Denotes a neuron in a ganglion located outside of the CNS. 3. **C**: Indicates another neuron possibly associated with visceral organs (e.g., small intestine). 4. **D**: Points to a different neuron located within the spinal cord in the CNS. 5. **E**: Represents the neurons interfacing with skeletal muscle. #### Diagram Breakdown: - The diagram starts from the CNS (spinal cord) and shows a sequence of neurons extending outwards. - The neural connections proceed through a series of synapses: - From the CNS to neuron A - From neuron A to neuron B at the ganglion - Extending to neuron C which interfaces with either the small intestine or another visceral organ - Another pathway from the CNS, through neuron D directly to the skeletal muscle at point E #### Interactive Dropdowns: Below the diagram are interactive dropdown menus labeled A, C, D, and E where users should select the correct identifications for these points based on the diagram: - **A**: `Choose` - **C**: `Choose` - **D**: `Choose` - **E**: `Choose` This diagram serves an educational purpose to understand the functional anatomy of neural pathways, specifically the routes taken by neurons to connect the CNS with skeletal muscles and visceral organs.
Transcribed Image Text:### Neural Pathway Diagram #### Description: This diagram depicts a neural pathway involving the Central Nervous System (CNS) and its connection to skeletal muscles and visceral organs such as the small intestine. The pathway shows the interactions between neurons and is labeled with points A, B, C, D, and E. #### Label Explanations: 1. **A**: Located within the CNS (spinal cord), this label marks one of the neurons. 2. **B**: Denotes a neuron in a ganglion located outside of the CNS. 3. **C**: Indicates another neuron possibly associated with visceral organs (e.g., small intestine). 4. **D**: Points to a different neuron located within the spinal cord in the CNS. 5. **E**: Represents the neurons interfacing with skeletal muscle. #### Diagram Breakdown: - The diagram starts from the CNS (spinal cord) and shows a sequence of neurons extending outwards. - The neural connections proceed through a series of synapses: - From the CNS to neuron A - From neuron A to neuron B at the ganglion - Extending to neuron C which interfaces with either the small intestine or another visceral organ - Another pathway from the CNS, through neuron D directly to the skeletal muscle at point E #### Interactive Dropdowns: Below the diagram are interactive dropdown menus labeled A, C, D, and E where users should select the correct identifications for these points based on the diagram: - **A**: `Choose` - **C**: `Choose` - **D**: `Choose` - **E**: `Choose` This diagram serves an educational purpose to understand the functional anatomy of neural pathways, specifically the routes taken by neurons to connect the CNS with skeletal muscles and visceral organs.
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