Trachea the trachea. The trachea is no more than 4mm diameter during the first year of life, expanding to its adult diameter by late childhood. The trachea is more mobile and of more variable length, deeper, and smaller in children. The trachea is lined with a layer of pseudostratified ciliated columnar epithelium. The epithelium contains goblet cells, which are glandular, modified simple columnar epithelial cells that produce mucins, the main component of mucus. Mucus helps to moisten and protect the airways. Mucus lines the ciliated cells of the trachea to trap inhaled foreign particles that the cilia then waft upward toward
My Name Is Red the specific manuscripts described (most prominently the "Shahnama given by Shah Tahmasp", more commonly known in the west as the Houghton shahnama) are real and survive in whole or part. "My Name Is Red" received favourable reviews when published in English. A reviewer for "Publishers Weekly" admires the novel's "...jeweled prose and alluring digressions, nesting stories within stories" and concludes that Pamuk will gain many new readers with this "...accessible, charming and intellectually satisfying, narrative." A "Kirkus Reviews" critic describes the novel as "...a whimsical but provocative exploration of the nature of art in an Islamic society. . . .