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How does the hormone ADH control urine volume and concentration?
Wiki User
∙ 14y ago
adh controls the volume of urine by regulating the amount of water absorbed into the convoluted tubules. . At some point ,change in blood level activates the osmoreceptors in the hypothalamus which in turn activates the release of antidiuretic hormone(ADH). ADH is released into the blood stream, then it travels to the kidney's collecting ducts whilst in the kidney, ADH increase the number of water channels in the membrane of the collecting duct cells ADH binds to the cell membrane receptors to activate phosphorylase enzyme. This causes the vesicle containing aquaporins to fuse with the membrane. Therefore water is reabsorbed from the filtrated to produce concentrated urine which passes into the tubules, collects in the renal pelvis and flows through the ureters into the urinary bladder. The reabsorbed water increases the water potential of the blood, osmoreceptors are no longer activated and so ADH production stops. This is an example of negative feedback response consequently, their removal is accompanied by an unavoidable water loss
Wiki User
∙ 14y ago
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What effect does salt intake have upon urine salt concentration and volume?
The renal system (kidneys) is the main regulator of both blood volume and blood salt concentration, but the two factors are regulated somewhat independently of each other as both the volume of urine produced and it's salt concentration vary with their own hormone system.
What happened to the urine volume as the concentration gradient increased?
The urine volume decreased as the concentration gradient increased.
What is the concentration of urine is controlled by?
Anti-diuretic hormone
When Antidiuretic hormone is present urine concentration equals interstitial fluid concentration?
True
What controls the volume of urine?
antidiuretic hormone (ADH)
What happend to the volume of urine as the solute concentration in the interstitial space was increased?
the urine volume decreased
The hormone that signals that kidneys to make less urine is?
ADH is the hormone regulate the volume of urine. It is produced by the hypothalamus. It secreted by anterior pituitary.
What are the effects of hyper secretion of ADH in urine quantity and component?
ADH is short for Anti Diuretic Hormone and it prevents excess water loss. As such, a hyper-secretion of ADH will result in less urine by volume, and the urine will have a lower concentration of water. Conversely, it will have a higher concentration of solutes (Sodium, Potassium, Urea, etc.)
What hormone signals the kidney to make less urine?
That hormone is called ADH or antidiuretic hormone. Diuresis means producing urine and antiduresis is the opposite.
What hormone causes loss of glucose in the urine?
Glucose in urine is a worrying sign, as it is a key symptom of diabetes. A lack of the hormone insulin would be responsible.
Does aldosterone increase urine volume?
Increase. ADH is an antidiuretic hormone, so it wants to maintain water inside the body. The greater presence of ADH, the more water is reabsorbed from the urine by the kidneys, and the more water enters the blood circulation. Larger blood volume means greater blood pressure.
How does the addition of ADH affect the concentration of potassium in the urine?
Anti-diuretic hormone (ADH) causes water to be absorbed from the urine back into the body. Everything else in the urine, including electrolytes such as potassium, is concentrated.
