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.
Localization of histamine receptors in rat conjunctiva. Rat conjunctiva was removed and fixed, and immunofluorescence experiments were performed with antibodies against the H1 receptor (H1R), H2 receptor (H2R), H3 receptor (H3R), and H4 receptor (H4R). Magnification 200×. Each micrograph is representative of three independent experiments. Arrows indicate the location of goblet cells. Epi, conjunctival epithelium.
