Anatomical description |
Anatomical
description |
I |
Normal anatomy of the paramedian artery: the left and
right paramedian arteries arise from their respective posterior cerebral
arteries |
IIA |
Variant of the paramedian artery anatomy: both
paramedian arteries arise from the left and right posterior cerebral
artery |
IIB |
Anatomy of Percheron’s artery: a branch of the right or
left PCA supplies the two thalami |
III |
Variant of the paramedian artery anatomy: the two
paramedian arteries originate from an arterial branch connecting the D
and G ACP |