Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 49, Problem 11TYU
WRITE ABOUT A THEME: INFORMATION In a short essay (100-150 words), explain how specification of the adult nervous system by the genome is incomplete.
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imar.
1. Explain the anatomical concepts associated with the nervous system. Summarize this module's key points in 5-6
sentences.
2. Explain the physiological concepts associated with the nervous system. Summarize this module's key points in 5-6
sentences.
3. How will you apply the concepts you have learned about the nervous system in real life and in your future career?
4. Which topic within this module has heen tho
Match the neuron structure with its correct function or description.
1. Structure that receives stimuli and carries impulses to the cell body
Grey matter
2. Part of the neuron that releases a chemical transmitter across the synapse
+ Myelin sheath
3. Cells that protect, nourish, and defend neurons
+ White matter
4. Structure that contains the neuron's nucleus and is the site of the neuron's cell metabolism
: Synapse
5. The gap between two myelin sheaths that allows faster conduction of action potential
6. Lipid, fatty insulating layer around some axons that protects the neurons and speeds the impulses along the
neuron
+ Dendrite
7. Unmyelinated neurons in the CNS
+ Axon
8. Structure that transmits impulses away from the cell body to another neuron, the muscles, or glands
Axon terminal
9. Myelinated neurons in the CNS
Cell body
10. The gap or junction between two neurons or between a neuron and a muscle
Node of Ranvier
* Glial cell
READ: They key to large-scale communication in the entire nervous system is the ability to pass nerve
impulses on a small scale from one neuron to the next so that signals can be transmitted throughout the
entire body. The junction between two neurons is called a synapse, and is the critical space that mediates
the transfer of a signal from the presynaptic neuron (the sender) to the postsynaptic neuron (the receiver)
or even an effector cell (like a gland or muscle cell.) You circled a synapse in Model 1. Synapses can be
electrical or chemical. Electrical synapses transmit electrical signals via gap junctions. A channel protein
connects the cytoplasm
of two adjacent neurons so that ions can flow directly from one cell to another to
pass on the signal. However, the most common type of synapse is a chemical synapse. These utilize
chemical signals, called neurotransmitters, to transmit the signal across the synaptic cleft. This is a
slower process, but allows for much greater precision…
Chapter 49 Solutions
Campbell Biology
Ch. 49.1 - Which division of the autonomic nervous system...Ch. 49.1 - Prob. 2CCCh. 49.1 - Prob. 3CCCh. 49.2 - When you wave your right hand, what part of your...Ch. 49.2 - People who are inebriated have difficulty touching...Ch. 49.2 - Prob. 3CCCh. 49.3 - How can studying individuals with damage to a...Ch. 49.3 - Prob. 2CCCh. 49.3 - Prob. 3CCCh. 49.4 - How can studying individuals with damage to a...
Ch. 49.4 - Individuals with localized brain damage have been...Ch. 49.4 - WHAT IF? Suppose that a person with damage to the...Ch. 49.5 - Prob. 1CCCh. 49.5 - Prob. 2CCCh. 49.5 - WHAT IF? If you could detect early-stage...Ch. 49 - How does the circuitry of a reflex facilitate a...Ch. 49 - What roles do the midbrain, cerebellum, thalamus,...Ch. 49 - A patient has trouble with language and has...Ch. 49 - Prob. 49.4CRCh. 49 - Prob. 49.5CRCh. 49 - Activation of the parasympathetic branch of the...Ch. 49 - Prob. 2TYUCh. 49 - Patients with damage to Wernickes area have...Ch. 49 - Prob. 4TYUCh. 49 - After suffering a stroke, a patient can see...Ch. 49 - Injury localized to the hypothalamus would most...Ch. 49 - Prob. 7TYUCh. 49 - Prob. 8TYUCh. 49 - SCIENTIFIC INQUIRY Consider an individual who had...Ch. 49 - Prob. 10TYUCh. 49 - WRITE ABOUT A THEME: INFORMATION In a short essay...Ch. 49 - SYNTHESIZE YOUR KNOWLEDGE Imagine you are standing...
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Nervous System - Get to know our nervous system a bit closer, how does it works? | Neurology; Author: FreeMedEducation;https://www.youtube.com/watch?v=6O-0CVAgaEM;License: Standard youtube license