b ) situations in which an intrinsic alteration in the gland occurs : extrinsic ( excess thyroid stimulation ) iodide deficiency with elevated tsh goitrogens graves ' immunoglobulins thyroid stimulating factors produced by tumors dishormonogenesis with hypothyroidism intrinsic ( normal tsh ) increased sensitivity to tsh ( iodine depletion ) altered autoregulation ( ? )
C0040132
thyroid
C0020676
hypothyroidism