| Supraglottal injection of botulinum toxin type A in adductor type spasmodic dysphonia with both intrinsic and extrinsic hyperfunction. |
| Autoantibodies that act like hormone agonists can produce states of hyperfunction or hypofunction when acting as receptor antagonists. |
| Increased secretion of ACTH because of a corticotroph tumour or corticotroph hyperplasia causes adrenocortical hyperfunction, which in turn causes the constellation of symptoms and signs called Cushing syndrome. |
| Adrenocortical hyperfunction may be congenital or acquired. |
| Do you have a thyroid hyperfunction or hypofunction? |
| If the level is high, careful monitoring of the fetus is mandatory for the early detection of signs of thyroid hyperfunction. |