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.
Head and body holder used to image conscious rats. Before PET scans, acrylic plate (A) was attached to skull using cyanoacrylic cement (B). Plate was used to fix head to holder (A and B). Rats were trained to comply with holder during PET scans (C).
