Source:http://linkedlifedata.com/resource/umls/id/C0597138
CSP: increase in the number of cells in the oral pharynx without tumor formation; it differs from hypertrophy, which is an increase in bulk without an increase in the number of oral pharynx cells; oral pharyngeal refers to the region of the body between the lips and the oropharynx, which is pharynx below the soft palate and above the epiglottis.