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Exam questionKROK 1Medicine ยท 2015

Electrical activity of neurons is being measured. They fire prior to and at the beginning of inhalation. Where are these neurons situated?

Answer options

  1. Diencephalon
  2. Medulla oblongata
  3. Spinal cord
  4. Mesencephalon
  5. Cerebral cortex
Correct answer

Medulla oblongata

Explanation

The core neuronal network responsible for the generation and shaping of the respiratory rhythm, as well as transmitting this rhythm to the spinal motor neurons controlling respiratory muscles, is in the lower brain stem โ€“ within a bilaterally organized dorsal respiratory group and ventral respiratory column (VRC) of neurons in the pons and the medulla oblongata.

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