Home > Health Library > Thyroid Hormone Production
The thyroid gland produces two thyroid hormones,
triiodothyronine (T3) and thyroxine (T4), and releases them as needed by the
body. The hypothalamus and the pituitary gland help control the thyroid gland.
The hypothalamus produces thyrotropin-releasing hormone (TRH), which stimulates
the pituitary gland to release thyroid-stimulating hormone (TSH). A low level of
T3 tells the hypothalamus to release more TRH, and it tells the pituitary to release more
TSH. The thyroid gland releases T3 and T4 until the body is receiving the
ByHealthwise StaffPrimary Medical ReviewerKathleen Romito, MD - Family MedicineSpecialist Medical ReviewerMatthew I. Kim, MD - Endocrinology
Current as ofNovember 20, 2015
Current as of:
November 20, 2015
Kathleen Romito, MD - Family Medicine & Matthew I. Kim, MD - Endocrinology
To learn more about Healthwise, visit Healthwise.org.
© 1995-2016 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.
I Want To...
Join Our Social Network