Thyroid Hormones Flashcards
1
Q
What is the difference between the word iodide and iodine?
A
used interchangeably
2
Q
What is the functional unit of the thyroid gland?
A
the follicle
3
Q
What does the lumen of the thyroid gland contain?
A
thyroglobulin which contains large numbers of thyroid hormone molecules
colloidal storage of iodine as iodinated tyrosines of thyroglobulin
4
Q
What is the purpose of the follicule cells surrounding the lumen of the follicle?
A
functions to both synthesize and release thyroid hormone
(synthesize and secrete T4 and T3)
5
Q
What is the pump that iodine uptake into the basal membrane of the thyroid by?
A
via a sodium/potassium pump powered sodium/iodide symporter on the basal membrane NIS.
