Question

What reinforces the long circumferential supply at caudal pontine level in the blood supply of the Pons?

1) Anterior inferior cerebellar artery (AICA)
2) Superior cerebellar artery (SCA)
3) Pontine arteries
4) Posterior inferior cerebellar artery (PICA)

Answer 1

The anterior inferior cerebellar artery (AICA) reinforces the long circumferential supply at the caudal pontine level in the blood supply of the Pons.

Step-by-step explanation:

The blood supply of the Pons is reinforced at the caudal pontine level by the anterior inferior cerebellar artery (AICA). The AICA is one of the branches of the basilar artery, which itself is formed from the fusion of the two vertebral arteries. These vertebral arteries send branches to the cerebellum, brain stem, and the posterior cerebral arteries, playing a crucial role in the main blood supply to the brain stem. The AICA along with other pontine arteries ensures adequate blood flow to the structures at the level of pons, which is part of the brainstem, supporting vital neural functions.