phacoemulsification: extracapsular surgery for cataracts in which ultrasonic sound breaks the cortex and nucleus of the lens into small fragments that are then vacuumed away through a small tube
extracapsular surgery: cataract surgery in which only the front of the lens is removed; the back of the lens capsule remains intact and provides support for the lens implant
plasmodiophoraceae: family of fungi often causing hypertrophy in seed plants