Hyperplasia
Pronunciation : Hy`per*pla"si*a
Part of Speech : n.
Etymology : [NL., fr. Gr. (Med. & Biol.)
Definition : Defn: An increase in, or excessive growth of, the normal elements of any part.
Note: Hyperplasia relates to the formation of new elements, hypertrophy being an increase in bulk of preexisting normal elements. Dunglison.
Source : Webster's Unabridged Dictionary, 1913