Abnormal hypothalamus morphology Dysgenesis of the hypothalamus 2016-10-28T06:41:35Z Note that the term hypothalamic dysgenesis is generally used to refer to a morphological abnormality of the hypothalamus that is of presumed developmental (rather than acquired) origin. Hypothalamic dysgenesis Structural abnormality of the hypothalamus related to defective development. dysgenesis of the hypothalamus