Build thyroid hormone in order

Exercise and reference answers

Steps

1. TSH binds follicle
2. Iodide pumped in
3. Iodide oxidised
4. Iodine to tyrosine
5. T3 and T4 form
6. Colloid taken in
7. T3 and T4 freed

Instructions

Tap the steps in the order the thyroid follicle uses to build and release T3 and T4.

Explanation