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.
Compound panel showing immunohistochemical findings in periodontal ligament omitting the primary antibodies for collagen type I (A), fibronectin (B), collagen type IV (C), and VEGF (D); the black image confirms that the fluorochrome did not link to the secondary antibody, demonstrating the accuracy of the reaction. The transmitted light for each negative control is shown to demonstrate the presence of microscopic fields.
