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.
B. pertussis colonize the cilia of the mammalian respiratory epithelium. The epithelium is a tissue composed of a layer of cells. The main purpose of the respiratory epithelium is to moisten and protect the airways.It was originally thought that B. pertussis did not invade the tissues.. pertussis colonize the cilia of the mammalian respiratory epithelium. The epithelium is a tissue composed of a layer of cells. The main purpose of the respiratory epithelium is to moisten and protect the airways.