Neuron cells are a uniquely specialized type of cell. The following diagram illustrates the special structures of a neuron cell. Use the dropdown menus to label the structures where indicated. What are labels 1-6? options: axon terminals, nucleus, myelin sheath, dendrites, cell body, axon.
Neuron cells are a uniquely specialized type of cell. The following diagram illustrates the special structures of a neuron cell. Use the dropdown menus to label the structures where indicated. What are labels 1-6? options: axon terminals, nucleus, myelin sheath, dendrites, cell body, axon.
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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Neuron cells are a uniquely specialized type of cell. The following diagram illustrates the special structures of a neuron cell. Use the dropdown menus to label the structures where indicated.
What are labels 1-6? options: axon terminals, nucleus, myelin sheath, dendrites, cell body, axon.
1.
2.
3.
4.
5.
6.
Transcribed Image Text:The image is a labeled diagram of a neuron, which is a fundamental unit of the nervous system responsible for transmitting information throughout the body. Below is a description of the labeled parts:
1. **Dendrites** - These are branched structures responsible for receiving electrical signals from other neurons.
2. **Cell Body (Soma)** - This part contains the nucleus and is essential for maintaining the neuron's health. It processes incoming signals from the dendrites.
3. **Axon Hillock** - The cone-shaped junction between the axon and the cell body; it plays a key role in initiating the nerve impulses.
4. **Axon** - A long, tubular structure that carries electrical signals away from the cell body to other neurons or muscles.
5. **Node of Ranvier** - These are small gaps in the myelin sheath that facilitate the rapid conduction of nerve impulses.
6. **Axon Terminals** - The endpoints of the axon, responsible for releasing neurotransmitters into the synapse to communicate with other neurons.
**A. Nucleus** - Located within the cell body, it contains the neuron's genetic material.
**B. Myelin Sheath** - A fatty layer surrounding the axon, it helps increase the speed of electrical signal transmission along the neuron.
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