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Transverse section of a bronchus. Labels: e, Epithelium (ciliated); immediately beneath it is the mucous membrane or internal fibrous layer, of varying thickness; m, muscular layer; s, m, submucous tissue; f, fibrous tissue; c, cartilage enclosed within the layers of fibrous tissue; g, mucous gland.

Section of the Bronchus

Transverse section of a bronchus. Labels: e, Epithelium (ciliated); immediately beneath it is the mucous…

Fibrous tissue of cornea, showing bundles of fibers with a few scattered fusiform cells (A) lying in the interfascicular spaces.

Fibrous tissue of Cornea

Fibrous tissue of cornea, showing bundles of fibers with a few scattered fusiform cells (A) lying in…

Section of the trachea. Labels: a, columnar ciliated epithelium; b and c, proper structure of the mucous membrane, containing elastic fibers cut across transversely; d, submucous tissue containing mucous glands, e, separated from the hyaline cartilage, g, by a fine fibrous tissue, f; h, external investment of fine fibrous tissue.

Section of the Trachea

Section of the trachea. Labels: a, columnar ciliated epithelium; b and c, proper structure of the mucous…