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Medulla Oblongata


LOCATION

Medulla is situated at the floor of the pons (another component of brainstem). It is the lowest structure of the brainstem present at the base of the skull. It has cerebellum a little above and behind it.

 

BLOOD SUPPLY

Medulla receives its blood supply from a number of arteries and the account of those is gives below:

  • The anterior spinal artery supplies the middle portion of the medulla.

  • The posterior inferior cerebellar artery supplies the posterolateral part of the medulla.

  • The vertebral artery gives direct branches to the medulla. It supplies the region between the other two arteries.

 

FUNCTIONS

Medulla oblongata is a connection between the brain and spinal cord, and is involved in several functions of brainstem including breathing, heart rate, blood pressure and controlling reflex actions. Medulla has various autonomic (involuntary) centers which are the cardiac, respiratory, vasomotor, and vomiting centers.

 



LOCATION

Medulla is situated at the floor of the pons (another component of brainstem). It is the lowest structure of the brainstem present at the base of the skull. It has cerebellum a little above and behind it.

 

BLOOD SUPPLY

Medulla receives its blood supply from a number of arteries and the account of those is gives below:

  • The anterior spinal artery supplies the middle portion of the medulla.

  • The posterior inferior cerebellar artery supplies the posterolateral part of the medulla.

  • The vertebral artery gives direct branches to the medulla. It supplies the region between the other two arteries.

 

FUNCTIONS

Medulla oblongata is a connection between the brain and spinal cord, and is involved in several functions of brainstem including breathing, heart rate, blood pressure and controlling reflex actions. Medulla has various autonomic (involuntary) centers which are the cardiac, respiratory, vasomotor, and vomiting centers.

 

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