hyperplasia has definitions from the field of medicine
1
[ noun ] (medicine) abnormal increase in number of cells

Used in print

(Jacob Robbins et al., "The thyroid-stimulating...)

In the experimental animal and in man gross deficiency in dietary iodine causes thyroid hyperplasia , hypertrophy and increased thyroid activity ( Money , Rall and Rawson , 1952 ; Stanbury , Brownell , Riggs , Perinetti , Itoiz , and Del_Castillo , 1954 ) .

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