dysplasia - abnormal development (of organs or cells) or an abnormal structure resulting from such growth

adenomegaly - gland enlargement

cor pulmonale - enlargement of the right ventricle of the heart due to disease of the lungs or of the pulmonary blood vessels

dactylomegaly - abnormally large fingers or toes

elephantiasis - hypertrophy of certain body parts (usually legs and scrotum); the end state of the disease filariasis

splenomegaly - an abnormal enlargement of the spleen

giantism, gigantism, overgrowth - excessive size; usually caused by excessive secretion of growth hormone from the pituitary gland

acromegalia, acromegaly - enlargement of bones of hands and feet and face; often accompanied by headache and muscle pain and emotional disturbances; caused by overproduction of growth hormone by the anterior pituitary gland (due to a tumor)

grow - become larger, greater, or bigger; expand or gain; "The problem grew too large for me"; "Her business grew fast"