Assertion: endocrine system's hormone | /r/HasProperty | calcitonin
Facets:
Source sentences:
text: The major hormones produced by the thyroid are thyroxine and calcitonin.
text: They produce a hormone called calcitonin that works to reduce the calcium level in the blood stream.
text: Another anti-resorptive hormone that aids in decreasing the adverse effects of osteoporosis is calcitonin.