Source:http://linkedlifedata.com/resource/umls/id/C0017566
MSH: Non-inflammatory enlargement of the gingivae produced by factors other than local irritation. It is characteristically due to an increase in the number of cells. (From Jablonski's Dictionary of Dentistry, 1992, p400),CSP: abnormal multiplication of otherwise normal gingival cells, leading to tissue enlargement.