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. 2015 Feb 1;60(1):2557. doi: 10.4081/ejh.2016.2557

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©Copyright F. Merigo et al.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Light (A) and electron microscopy (B-I) showing histological and ultrastructural examinations of epithelium in trachea of lean Zucker rats. Histological section stained with toluidine blue (A). Arrow in (A) indicates lipid droplet. Asterisk indicates the cells that compose a cluster of solitary chemosensory cells. The boxed area on the left in panel G is shown at higher magnification in (H); the cells marked with asterisks on the right in (G) are shown at higher magnification in panel I. bc, basal cell; bm, basement membrane; brc, brush cell; cc, ciliated cell; cf, collagen fibers; hc, hyaline cartilage; e, epithelium; lp, lamina propria; mc, mucous cell; sc, secretory cell; scc, solitary chemosensory cell. Scale bars: 5 µm.