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As thyroxine levels increase in the blood they exert negative feedback on the release of TSH by the pituitary gland. What effect will this have on the release of TSH?
Wiki User
∙ 14y ago
As thyroxine levels increase the amount of TSH produced will decrease. On the other hand, when TSH levels increase the thyroxine levels will decrease. This is what causes the TSH/thyroxine levels to fluctuate.
Wiki User
∙ 14y ago
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How is thyroxine involved in negative feedback?
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What are most hormone action regulated by?
The hypothalamus regulates the Pituitary gland, and the Pituitary gland regulates the rest of the endocrine system.
Regulation of the release of T3 and T4 from the thyroid gland is controlled by negative feedback?
When the level of the thyroxine increase, the level of the thyroid stimulating hormone decrease. So in turn the level of the thyroid hormone decreases. When the level of the thyroxine decrease, the level of the thyroid stimulating hormone increase. This in turn increase the level of the thyroxine. This explanation does not explain to how the level of the hormone is regulated at that particular level. But then this explanation satisfy most of the people.
How do target organs most often regulate the pituitary gland?
Negative feedback inhibition
Exert negative feedback on the anterior pituitary relative to fsh secretion?
Estrogen and progesterone.
How does negative feedback regulate the amount of thyroxine in the blood?
blood level gets low
Does a low pH exert a negative feedback action on the production of cholecystokinin or on the production of gastrin?
Some pituitary hormones have a negative
In what sense does the pituitary take orders from the target organs under its command?
negative feedback inhibition
What are the two feedbacks of Mechanisms?
they are positive feedback and increase activity negative feedback.
Can you Asses the reason hormone feedback systems are referred to as negative feedback?
When a drop in the level of hormones in the body occurs, it causes a chain reaction of responses. It is called negativefeedback because it causes system output to oppose system input, rather than support it.Example: Thyroxine (a thyroid hormone) level in the blood drops. The hypothalamus then sends out an order for TSH (thyroid stimulating hormone) to the anterior pituitary gland. The pituitary releases the TSH. TSH then causes the thyroid to start producing thyroxine again. When the blood level rises, the hypothalamus stops producing TSH, causing the thyroid to stop producing thyroxine. This happens in a loop until stabilization occurs.
What are the two types of feedback mechanisms?
There are two types of feedback mechanisms: positive feedback, which amplifies processes, and negative feedback, which stabilizes systems. For More Information : agilityportal.io
Is the ADH feedback loop an example of positive or negative feedback?
The ADH feedback loop is an example of a negative feedback loop. Negative feedback loops occur when the output of a system acts to oppose the changes to the input of the system. This is the case with ADH because when there is not enough water, the hypothalamus and pituitary gland work to release ADH so that the body can retain more water.
