cre.tin.ism
n.（名词）A congenital condition caused by a deficiency of thyroid hormone during prenatal development and characterized in childhood by dwarfed stature, mental retardation, dystrophy of the bones, and a low basal metabolism.Also called congenital myxedema 愚侏儒病：一种因在胎儿发育期间缺乏甲状腺激素导致的先天性病症，症状为在少儿时期体型矮小、智力迟钝、骨骼营养不良以及基本的新陈代谢能力低下也作 congenital myxedema
