Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2005 Feb;26(2):306–312.

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright © American Society of Neuroradiology

PMC Copyright notice

Fig 3. — Direction of LSAs.

A and B, Anterior (A) and medial (B) images. More medially located LSA (arrow) divides into two branches and has the more anterior direction of supply. More lateral LSA (arrowhead) arises as a single trunk and has the more posterior direction of supply.

C and D, Anterior (C) and superior (D) images. LSA arising from the A1-A2 junction (recurrent artery of Heubner, arrow) is directed anteriorly on the superior view. LSA arising from the superior division of the MCA (arrowhead) is directed posteriorly.