As Seen on a Midsagittal Magnetic Resonance (MR) Image, the Fourth

question 200

True/False

As seen on a midsagittal magnetic resonance (MR) image, the fourth ventricle is bordered anteriorly by the pons and posteriorly by the anterior cerebellar notch.

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Definitions:

Walter Cannon

Walter Cannon was an American physiologist who coined the term "fight or flight response," describing an animal's response to threats with a general discharge of the sympathetic nervous system.

Spinal Cord

A part of the central nervous system that runs down the vertebral column, transmitting messages between the brain and the body.

Sympathetic Nervous System

A part of the autonomic nervous system responsible for the body's 'fight or flight' response, regulating involuntary physiological functions.

Thalamus

The brain's relay center, directing sensory and motor signals to the cerebral cortex and the regulation of consciousness, sleep, and alertness.