Neurobiology: Autonomic Nervous System

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Questions and Answers

What is the Autonomic Nervous System responsible for controlling?

Involuntary bodily functions

Which type of synapse is shown in Figure 1.D?

Cholinergic neuromuscular junction

What is the function of the presynaptic terminal?

Transmitting signals to other neurons

What is the main difference between the images in Figure 1.A and Figure 1.B?

<p>The method of fixation used</p> Signup and view all the answers

What is the function of mitochondria in neurons?

<p>Producing ATP for the neuron</p> Signup and view all the answers

What is the function of microtubules in neurons?

<p>Maintaining neuronal structure</p> Signup and view all the answers

What is the efferent division of the Peripheral nervous system responsible for?

<p>Controlling involuntary functions</p> Signup and view all the answers

What is the Autonomic Nervous System a part of?

<p>Peripheral nervous system</p> Signup and view all the answers

Study Notes

Cell Functions of Neurons

  • Resting state is a key function of neurons
  • Electron microscope images of worm synapses show various structures, including:
    • Ventral nerve cord fixed by classical method using osmium and glutaraldehyde
    • Ventral nerve cord fixed by high-pressure freezing
    • Synapses with different components (e.g., SV, MT, presynaptic density, postsynaptic density-like structures)

Autonomic Nervous System

  • The Autonomic Nervous System is a part of the Peripheral nervous system
  • It is a subdivision of the efferent division
  • It controls involuntary bodily functions, including:
    • Cardiac function
    • Body temperature
    • Smooth muscle function
    • Gland function
    • Arterial blood pressure

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