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) Diagrammatic reconstruction of main olfactory epithelium, showing basal cells (1), mature neurons (2) and supporting cells (3) (modified after Graziadei, 1971). (B,C) Haematoxylin-eosin-stained sections of areas of epithelium with different thicknesses (see text). Scale bars: (A) 10 μm; (B) 20 μm; (C,D) 25 μm.
