Assertion: endocrine system's hormone | /r/HasProperty | synthesized in the thyroid
Facets:
value: in the adrenal medulla
type: LOCATION
Source sentences:
text: DERIVATIVES OF THYROXINE: two hormones that are synthesized in the thyroid creating the hormones T3 and t4 and in the adrenal medulla, secreting the catecholamine hormones.