benign prostatic hyperplasia

Main Entry: benign prostatic hyperplasia
Function: noun
: adenomatous hyperplasia of the periurethral part of the prostate gland that occurs especially in men over 50years old and that tends to obstruct urination by constricting the urethra —abbreviation BPH; called also benign prostatic hypertrophy

benign prostatic hyperplasia   (hī'pər-plā'zhə)  Pronunciation Key  Benign enlargement of the prostate gland commonly occurring in men after the age of 50, and sometimes causing compression of the urethra and obstruction of urine flow.