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
Kerry (name) Kerry (name) Kerry or Kerri is both a masculine and feminine English language given name of Gaelic (Irish) origin. In its original form Ciarraighe ("Ciarraí"), it denoted "the people of Ciar" ("ciar-raighe"), Ciar being the son of Fergus mac Róich, who gave his name to County Kerry. Ciarraighe was thus the name of the pre-Gaelic tribe who lived in the area of what is now County Kerry. However branches of the Ciarraighe were all over Ireland: Kerry is also a common surname and as such is of Welsh origin, though sometimes spelled Ceri. However, Ceri (pronounced Kerry) is more commonly