sentence2_structure: The thyroid gland<>is controlled<>by a negative feedback loop$$$a negative feedback loop<>includes<>the hypothalamus and pituitary gland
sentence1: Among these are the hypothalamus, pituitary, thyroid, pancreas and adrenal glands.
sentence2: The thyroid gland is controlled by a negative feedback loop that includes the hypothalamus and pituitary gland.
question: Which gland is controlled by a negative feedback loop that includes the hypothalamus and pituitary gland?