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) Hematoxylin-eosin-stained longitudinal section showing the transition (arrowed) from the respiratory to the sensory epithelium. (B–E) Hematoxylin-eosin stained transverse sections showing the mucosa of ectoturbinate 2 (B), ectoturbinate 3 (C), endoturbinate III (D), and the nasal septum (E). Yellow bars indicate sensory epithelium; blue bars, lamina propria; and white arrows, bone. 1, supporting cells; 2, neurons; 3, basal cells. Scale bars: (A) 2 mm; (B–E) 100 μm (see Figure S4).
