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.
a Removal of replaceable bone flap with adhered dura mater model on the interior surface, exposing b the left cerebral hemisphere with adhered pia mater model. c Retraction of the Sylvian fissure of the brain model and application of a surgical clip (arrow) at the aneurysm neck of the vasculature model. Visualization of the aneurysm dome (triangle) and the neighboring M2 branch (double-sided arrow) of the patient-derived aneurysm model
