Noun
English Wikipedia has an article on:hypopituitarismWikipedia
hypopituitarism (usually uncountable, plural hypopituitarisms)
(medicine) A decrease in secretion of one or more of the eight hormones normally produced by the pituitary gland.
Autoimmune hypopituitarism in patients with coeliac disease: symptoms confusingly similar. Source: Internet
I know someone with autoimmune hypopituitarism and I wouldn’t want to be in their situation – it is devastating having to replace and balance so many hormones manually. Source: Internet