What is thyroid hormone actually stimulating on the cellular level:

Thyroid hormones stimulate the rate of:

Thyroid hormones:

Thyroid macro effects include:

“Permissiveness” In biology is a biochemical phenomenon in which the presence of one hormone is required in order for another hormone to exert its full effects on a target cell:

Thyroid hormone increases the number of receptors available for epinephrine at the latter’s target cell, thereby increasing epinephrine’s effect on that cell:

Epinephrine would have only a weak effect without the thyroid hormone:

Cortisol exerts a permissive effect on growth hormone: