====== Artery of Percheron ======

A rare anatomic variant in which a solitary arterial trunk arising
from the proximal segment of one PCA supplies the paramedian thalami and rostral [[midbrain]] bilaterally.

===== History and etymology =====

The [[artery of Percheron]] is named after the French neurologist Gérard Percheron, who described it in [[1973]]
((Percheron G. The anatomy of the arterial supply of the human thalamus and its use for the interpretation of the thalamic vascular pathology. Z Neurol. 1973; 205:1–13)).

==== Gross anatomy ====

The term is used to refer to a solitary arterial trunk that branches from one of the proximal segments of either posterior cerebral artery (PCA). It supplies blood to the paramedian thalami and the rostral midbrain bilaterally.


==== Related pathology ====

[[Artery of Percheron occlusion]].