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Does the hypothalamus or pituitary gland release ADH when water levels low
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Sohello
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Sohello
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(Original post by Dr. NotYet)
posterior pituitary gland
posterior pituitary gland
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Tracey_W
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(Original post by Sohello)
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How does the pituitary gland and ADH reduce water loss.......
An interaction between the pituitary gland and the kidneys provides another mechanism. When the body is low in water, the pituitary gland secretes vasopressin (also called antidiuretic hormone) into the bloodstream. Vasopressin stimulates the kidneys to conserve water and excrete less urine.
Last edited by Tracey_W; 5 months ago
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#5
(Original post by Tracey_W)
The hypothalamus in the brain has osmoreceptors which detect the level of water in the blood plasma as a stimulus . If the level of water is too low, this causes the hypothalamus to send a signal to the pituitary gland , to release the anti-diuretic hormone or ADH
How does the pituitary gland and ADH reduce water loss.......
An interaction between the pituitary gland and the kidneys provides another mechanism. When the body is low in water, the pituitary gland secretes vasopressin (also called antidiuretic hormone) into the bloodstream. Vasopressin stimulates the kidneys to conserve water and excrete less urine.
The hypothalamus in the brain has osmoreceptors which detect the level of water in the blood plasma as a stimulus . If the level of water is too low, this causes the hypothalamus to send a signal to the pituitary gland , to release the anti-diuretic hormone or ADH
How does the pituitary gland and ADH reduce water loss.......
An interaction between the pituitary gland and the kidneys provides another mechanism. When the body is low in water, the pituitary gland secretes vasopressin (also called antidiuretic hormone) into the bloodstream. Vasopressin stimulates the kidneys to conserve water and excrete less urine.
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Sohello
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(Original post by Sohello)
Ok so if a question asked to describe how the body reacts when water content is low in the body and I wrote that the hypothalamus detected the change and releases more ADH, would I gain or lose a mark?
Ok so if a question asked to describe how the body reacts when water content is low in the body and I wrote that the hypothalamus detected the change and releases more ADH, would I gain or lose a mark?
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KA_P
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If this is for GCSE/A-level, the specific terminology and marking points you should have in your answer can be found either in your exam board specification or a mark scheme online.
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Sohello
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(Original post by KA_P)
If this is for GCSE/A-level, the specific terminology and marking points you should have in your answer can be found either in your exam board specification or a mark scheme online.
If this is for GCSE/A-level, the specific terminology and marking points you should have in your answer can be found either in your exam board specification or a mark scheme online.
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Tracey_W
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(Original post by Sohello)
Ok so if a question asked to describe how the body reacts when water content is low in the body and I wrote that the hypothalamus detected the change and releases more ADH, would I gain or lose a mark?
Ok so if a question asked to describe how the body reacts when water content is low in the body and I wrote that the hypothalamus detected the change and releases more ADH, would I gain or lose a mark?
I'm a NHS registered ( nurse ) midwife and my flatmate is a specialist nurse in renal ( kidneys ) so hopefully you won't lose anything if answer is right...
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KA_P
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