Question

What is the function of the ascending and descending tracts in the medulla oblongata? (module 13. 4c)

Answer 1

The medulla has the ascending and the descending tract which function to link the brain with the spinal cord.

What is the role of medulla?

• Medulla oblongata is the lowermost part of the brain.
• It is located at the place where the brain and the spinal cord connect thus it carries nerve signals between the brain to spinal cord thus help the entire body to communicate.
• It controls biological processes like blood pressure, breathing and heartbeat.
• Ascending tract functions to carry sensory information from the body (e.g.: pain) from the spinal cord to the brain (upwards).
• Descending tract carry motor information (e.g.: instructions to move the arm) from the brain down the spinal cord to the body (downward).
• Damage to medulla can lead to respiratory failure, paralysis, or loss of sensation.

Learn more about medulla here:

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