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help diagnose an underactive thyroid (hypothyroidism), and an overactive thyroid (hyperthyroidism), evaluate thyroid gland activity, monitor response to thyroid therapy
thyroid and parathyroid glands
TSH stands for thyroid-stimulating hormone. It is produced by the pituitary gland and stimulates the thyroid gland to produce thyroid hormones.
TSH is the thyrotropic hormone or thyroid stimulating hormone which is involved in regulating the growth and activity of the thyroid gland.
This is referred to as hormonal stimulation and is readily illustrated by the activity of the pituitary gland, which controls the activity of all of the other endocrine glands. The thyroid hormones, e.g, regulate the body's metabolic rate but, in and of itself, the thyroid gland does not how much hormone to produce. This function is reserved for the pituitary gland which secretes thyroid stimulating hormone (TSH) which, in turn, stimulates the thyroid to produce its hormones. As thyroid hormone levels increase they, in turn, "stimulate" the pituitary gland to reduce its TSH stimulation. In actuality, a steady-state, mediated by their respective hormones, exists between the pituitary and the thyroid that maintains a constant level of thyroid hormones and, therefore, a relatively constant metabolic rate.
increased sensitivity to sympathetic output
The goal of Apollo 16 was to perform scientific experiments on the lunar surface, including collecting samples of lunar rocks and soil, deploying and operating various scientific instruments, and conducting observations to increase our understanding of the Moon's geology and environment. It also aimed to test new equipment and technology in preparation for future missions.
thyroxine
Potassium Iodide
Potassium Iodide
Potassium Iodide