Pontine arteries

Pontine arteries are a group of small vessels that branch off from the basilar artery and supply blood to the pons, a part of the brainstem. The pons is a critical structure in the brain that plays a key role in several vital functions, including motor control, sensory analysis, and the control of consciousness and sleep.

Anatomy

The pontine arteries originate from the basilar artery, a major blood vessel that runs up the front of the brainstem. From there, they branch out to supply the pons with blood. The exact number and arrangement of these arteries can vary from person to person.

Function

The primary function of the pontine arteries is to supply the pons with oxygenated blood. The pons is a critical part of the brain that is involved in several vital functions. It plays a key role in motor control, allowing us to move our bodies. It is also involved in sensory analysis, helping us to process the information we receive from our senses. Additionally, the pons is involved in controlling consciousness and sleep.

Clinical significance

Damage to the pontine arteries can lead to serious medical conditions. For example, a stroke in the pontine arteries can cause locked-in syndrome, a condition in which a person is conscious and awake, but cannot move or communicate due to paralysis of nearly all voluntary muscles in the body except for the eyes.

See also

• Basilar artery
• Brainstem
• Pons
• Stroke
• Locked-in syndrome

References

Pontine arteries Resources
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