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block9_17.jpg - Fig 7. Trachea (93W4875)The trachealis muscle (TM), a band of smooth muscle that fills the gap between the posterior ends of the C-shaped tracheal cartilages (C) is shown here (adjacent to the esophagus). Typical respiratory (ciliated pseudostratified columnar) epithelium lines the trachea and primary bronchi.

Fig 7. Trachea (93W4875) The trachealis muscle (TM), a band of smooth muscle that fills the gap between the posterior ends of the C-shaped tracheal cartilages (C) is shown here (adjacent to the esophagus). Typical respiratory (ciliated pseudostratified columnar) epithelium lines the trachea and primary bronchi.
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