blood supply Flashcards
1
Q
What supplies blood to the thalamus?
A
Irrigated from below mostly by slender ascending brs. of the posterior circulation (posterior communicating branch and posterior cerebral artery)
Thalamus lies posterosuperior to the arterial circle of WIllis
2
Q
What are the thalamostriate or thalamoperforate arteries?
A
Ascending slender branches to the thalamus perforate it from below
3
Q
What supplies the thalamus from above?
A
anterior choroidal a. (br. of MCA) and posterior choroidal aa. (br. of PCA)
4
Q
What is teh orgins of the anterior snf podterior choroidsl arteries?
A
Choroidal arteries are circumferential, arching from below to behind and above
anterior choroidal a. originates from MCA
posterior choroidal a. originates from PCA
