The Major Divisions of the Brain Develop from

question 32

Multiple Choice

The major divisions of the brain develop from

• A) the anterior end of the neural tube.
• B) the posterior end of the neural tube.
• C) the anterior portion of the notochord.
• D) the posterior portion of the notochord.
• E) several of the somites.

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Definitions:

Electrical Impulse

A sudden surge of electricity through a conductor, often used in reference to the rapid transmission of signals within nerves.

Neurotransmitters

Chemicals within the nervous system that transmit signals from one neuron to another across synapses.

Action Potential

A short-lasting event in which the electrical membrane potential of a cell rapidly rises and falls, allowing neurons to transmit signals along the nerve.

Resting Potential

The electric potential difference across the membrane of a neuron at rest, critical for the transmission of nerve impulses.