How does TSH affect metabolic rate?

How does TSH affect metabolic rate?

How do thyroid hormones change basal metabolic rate (BMR)? BMR is the main way your body spends energy, which means any change in BMR will lead to a change in weight if food intake is not modified accordingly (1). Thyroid hormones are the main regulators of your BMR—the higher your TSH is, the lower your BMR is (2, 3).

Does TSH control metabolism?

Every other cell depends on the thyroid to manage its metabolism. The pituitary gland and hypothalamus both control the thyroid. When thyroid hormone levels drop too low, the hypothalamus secretes TSH Releasing Hormone (TRH), which alerts the pituitary to produce thyroid stimulating hormone (TSH).

What happens when TSH level increases?

High TSH levels can mean your thyroid is not making enough thyroid hormones, a condition called hypothyroidism. Low TSH levels can mean your thyroid is making too much of the hormones, a condition called hyperthyroidism.

What was the effect of TSH injections on the normal rat?

It raised the metabolic rate but not as high as the thyroidectomized or normal rats. The rat has it’s thyroid but no pituitary gland, it is lowest on the metabolic rate. What was the effect of TSH injections on the normal rat’s BMR?

Why does metabolism go up in thyroidectomized rats?

The metabolic rate went up, and higher than thyroidectomized rat, but lower than normal rat. This is trying to level out to what would be normal. Metabolism is the same because it is not exactly right, but trying with hormones to level it out.

What was the effect of TSH injections on the endocrine system?

It raised the metabolic rate but not as high as the thyroidectomized or normal rats. The rat has it’s thyroid but no pituitary gland, it is lowest on the metabolic rate. What was the effect of TSH injections on the normal rat’s BMR? The metabolic rate went up and the baseline was a lot lower.

What was the effect of thyroxine injections on the BMR?

If an animal had been hypophysectomized, what effect (s) would you expect to see in the hormone levels in its blood and in its BMR? What was the effect of thyroxine injections on the normal rat’s BMR?