Found 2 items, similar to hyperplasia.
English → English (WordNet) Definition: hyperplasia hyperplasia n : abnormal increase in number of cells
English → English (gcide) Definition: Hyperplasia Hyperplasia \Hy`per*pla"si*a\, n. [NL., fr. Gr. "ype`r over + ? conformation, fr. ? to mold.] (Med. & Biol.) An increase in, or excessive growth of, the normal elements of any part. [1913 Webster] Note: Hyperplasia relates to the formation of new elements, hypertrophy being an increase in bulk of preexisting normal elements. --Dunglison. [1913 Webster]