thyroid Flashcards
the thyroid is responsible for the secretion of what three hormones
T4, T3, calcitonin
_____: responsible for maintaining adequate levels of calcium in the extracellular fluid, primarily by mobilizing calcium from bone
parathyroid glands
T4 and T3 are produced in the thyroid gland through the coupling of what
iodine and tyrosine (amino acid)
how much iodine is needed per week (from the diet)
1 milligram
when signaled to do so the _____ is enzymatically broken down to release T3 and T4 into circulation
thyroglobulin-thyroid hormone
the process of T3 and T4 being released is triggered by ______, which is released from the anterior pituitary when T3 and T4 levels are low
thyroid-stimulating hormone (TSH)