Interest in Hawaii began in America as early as the 1820s, when New England missionaries tried in earnest to spread their faith. Since the 1840s, keeping European powers out of Hawaii became a principal foreign policy goal.
Pharynx Histology â Epithelial Lining of the Pharynx Epithelial Lining of the Pharynx (introduction to pharynx histology) The surface of the nasopharynx is covered by the same pseudostratified columnar epithelium that is found in the nasal cavity.
Types of epithelium: Epithelia are classified according to the number of layers of cells they contain and the shape of the cells. If the cells are arranged in a single layer, the epithelium is called simple; if the cells are arranged in two or more layers, the epithelium is called stratified.ypes of epithelium: Epithelia are classified according to the number of layers of cells they contain and the shape of the cells. If the cells are arranged in a single layer, the epithelium is called simple; if the cells are arranged in two or more layers, the epithelium is called stratified.