Brain Stem Anatomy

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Which part of the brain stem serves as the center for auditory and visual reflexes?

Midbrain

Which cranial nerves originate in the pons?

V through VIII

What function does the medulla oblongata regulate?

Blood pressure and heart rate

Where does the reticular formation, responsible for arousal and the sleep-wake cycle, begin?

Medulla oblongata

Study Notes

Brain Stem Functions

  • The midbrain serves as the center for auditory and visual reflexes.
  • Cranial nerves V, VI, VII, and VIII originate in the pons.
  • The medulla oblongata regulates involuntary functions such as breathing, heart rate, and digestion.
  • The reticular formation, responsible for arousal and the sleep-wake cycle, begins in the midbrain and extends to the thalamus.

Learn about the components of the brain stem including midbrain, pons, and medulla oblongata, their functions, and connections to other parts of the brain. Understand the roles of the midbrain in sensory and motor pathways, and how the pons serves as a bridge between different brain regions.

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