Digital Histology
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Trachea

This trachea, cut in longitudinal section, is lined by pseudostratified columnar epithelium with cilia and goblet cells. An underlying lamina propria possesses numerous, longitudinally oriented elastic fibers and bands of smooth muscle (neither of which are distinguishable at this magnification). Mixed glands are also present. Patency is maintained by cartilage rings, and a layer of connective tissue surrounds the outer perimeter of the cartilage. 10x

Epithelium <p>This trachea, cut in longitudinal section, is lined by pseudostratified columnar epithelium with cilia and goblet cells. An underlying lamina propria possesses numerous, longitudinally oriented elastic fibers and bands of smooth muscle (neither of which are distinguishable at this magnification). Mixed glands are also present. Patency is maintained by cartilage rings, and a layer of connective tissue surrounds the outer perimeter of the cartilage. 10x</p>

Epithelium

This trachea, cut in longitudinal section, is lined by pseudostratified columnar epithelium with cilia and goblet cells. An underlying lamina propria possesses numerous, longitudinally oriented elastic fibers and bands of smooth muscle (neither of which are distinguishable at this magnification). Mixed glands are also present. Patency is maintained by cartilage rings, and a layer of connective tissue surrounds the outer perimeter of the cartilage. 10x
Mixed glands <p>This trachea, cut in longitudinal section, is lined by pseudostratified columnar epithelium with cilia and goblet cells. An underlying lamina propria possesses numerous, longitudinally oriented elastic fibers and bands of smooth muscle (neither of which are distinguishable at this magnification). Mixed glands are also present. Patency is maintained by cartilage rings, and a layer of connective tissue surrounds the outer perimeter of the cartilage. 10x</p>

Mixed glands

This trachea, cut in longitudinal section, is lined by pseudostratified columnar epithelium with cilia and goblet cells. An underlying lamina propria possesses numerous, longitudinally oriented elastic fibers and bands of smooth muscle (neither of which are distinguishable at this magnification). Mixed glands are also present. Patency is maintained by cartilage rings, and a layer of connective tissue surrounds the outer perimeter of the cartilage. 10x
Cartilage rings <p>This trachea, cut in longitudinal section, is lined by pseudostratified columnar epithelium with cilia and goblet cells. An underlying lamina propria possesses numerous, longitudinally oriented elastic fibers and bands of smooth muscle (neither of which are distinguishable at this magnification). Mixed glands are also present. Patency is maintained by cartilage rings, and a layer of connective tissue surrounds the outer perimeter of the cartilage. 10x</p>

Cartilage rings

This trachea, cut in longitudinal section, is lined by pseudostratified columnar epithelium with cilia and goblet cells. An underlying lamina propria possesses numerous, longitudinally oriented elastic fibers and bands of smooth muscle (neither of which are distinguishable at this magnification). Mixed glands are also present. Patency is maintained by cartilage rings, and a layer of connective tissue surrounds the outer perimeter of the cartilage. 10x
Perichondrium <p>This trachea, cut in longitudinal section, is lined by pseudostratified columnar epithelium with cilia and goblet cells. An underlying lamina propria possesses numerous, longitudinally oriented elastic fibers and bands of smooth muscle (neither of which are distinguishable at this magnification). Mixed glands are also present. Patency is maintained by cartilage rings, and a layer of connective tissue surrounds the outer perimeter of the cartilage. 10x</p>

Perichondrium

This trachea, cut in longitudinal section, is lined by pseudostratified columnar epithelium with cilia and goblet cells. An underlying lamina propria possesses numerous, longitudinally oriented elastic fibers and bands of smooth muscle (neither of which are distinguishable at this magnification). Mixed glands are also present. Patency is maintained by cartilage rings, and a layer of connective tissue surrounds the outer perimeter of the cartilage. 10x
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Main SlideEpitheliumMixed glandsCartilage ringsPerichondriumNext image