Diabetes insipidus
diabetes insipidus
direct reabsorption of water
ADH deficiency
adenohypophysis
one is insulin. there are others.
ADH and MSH
somatotropin (Growth Hormone) (GH)
The most common outcome is diabetes insipidus. (Lack of anti-diuretic hormone activity causes too much diureses (excess urination), as in diabetes - but the cause is not related to pancreatic problems, or diabetes mellitus). Insufficient ADH from the pituitary leads to diabetes iinsipidus, instead.
Low levels of ADH can cause excessive urination (polyuria) followed by extreme thirst (polydipsia). A rare water metabolism disorder, called central diabetes insipidus, is sometimes the cause of ADH deficiency but low ADH doesn't not cause diabetes insipidus.
Diabetes inspidius s caused by inuifficient production of antidiuretic hormone (ADH), or by the inability of the kidneys to respond to ADH. These problems may be due to head injuries, infections, tumors, or inheritance from a parent.
Low concentration of water in body fluids suppresses ADH.
The body can not conserve water and will lose too much to survive.
ADH deficiency
because the ADH causes reabsortion of water by the kidneys
ADH controls the rate that filtrate moves from the glomerulus into Bowman's capsule. ADH is also the only hormone that provides a system of control over the kidneys as an osmoregulator for urine production. Low levels of ADH in the blood are the brains response to thirst. Also during times of higher solute concentrations, ADH causes more water to be realesed from the nephrons to be reabsorbed by the blood.
ADH
Anti-Diuretic Hormone (ADH) causes water retention in our body by inhibiting diuresis.
A. colloid osmotic pressure increases B. ADH production increases C. plasma osmolality decreases D. aldosterone production decreases Answer: When...(B) ADH production increases
ADH causes the body (kidney) to conserve water and produce more concentrated urine