apituitarism

a·pi·tu·i·tar·ism

(ā'pi-tū'i-tār-izm),
Total lack of functional pituitary tissue; may be iatrogenic (for example, as a consequence of hypophysectomy) or the result of a spontaneous disease process.

apituitarism

[ā′pityo̅o̅′itəriz′əm]
Etymology: Gk, a, without; L, pituita, phlegm; Gk, ismos, a state
an absence or loss of function of the pituitary gland.