T3 - T4 ring | silver US Size:5 Trilobite necklace | silver

Trilobite necklace | silver

23 mm pendant on a 45 cm sterling silver chain (ø 1

and sacral kyphosis

two types of cartilage attachment

It started as bacterial immunity

T3 - T4 ring | silver US Size:5 Trilobite necklace | silverT3 T4 ring sterling silver In 1914, Edward Calvin Kendall isolated a crystalline compound from beef thyroid glands and named it thyroxine. The discovery defined the new field of endocrine medicine and forced biochemistry to take seriously the idea that single molecules secreted in tiny amounts could regulate everything else. The Science Behind T3 and T4 The thyroid gland secretes mostly T4 (thyroxine, four iodines) and a smaller amount of T3