_:vb50948277 . _:vb50948277 . _:vb50948277 . _:vb50948277 . _:vb50948277 "An adrenal gland hyperfunction that is caused by overactivity of the adrenal cortex caused by a tumor of the pituitary gland."^^ . _:vb50948277 . _:vb50948277 "url:http://www.britannica.com/EBchecked/topic/147320/Cushing-syndrome"^^ .