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.
TUNEL labeling for apoptotic cells. (A) Positive control for TUNEL staining, enzymatically treated to induce DNA nicks. R4, 40x (B) Harvested left vocal fold (COVR implant side) with negative TUNEL staining confirmed that the cells were not undergoing apoptosis. Rabbit 3, 40x. (C) Harvested right vocal fold (unoperated control) also with negative TUNEL staining, as expected. Rabbit 3, 40x.
