gigantism

So warm-bloodedness, or endothermy, may be one key to their gigantism.

Others who, because of a tumor in the pituitary gland, may overproduce HGH develop a different problem: gigantism.

Goldstein reported a case of gigantism from overactivity of the pituitary gland after castration.

Conversely, in connection with an exaggerated macroscelia, we have gigantism.