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What is renal hormones?
The kidneys secrete a variety of hormones, including erythropoietin, and the enzyme renin. Erythropoietin is released in response to hypoxia (low levels of oxygen at tissue level) in the renal circulation. It stimulates erythropoiesis (production of red blood cells) in the bone marrow. Calcitriol, the activated form of vitamin D, promotes intestinal absorption of calcium and the renal reabsorption of phosphate. Part of the renin-angiotensin-aldosterone system, renin is an enzyme involved in the regulation of aldesterone levels.
Why ACE inhibitor contraindicated in renal artery stenosis?
In the presence of renal artery stenosis, the resistance in the afferent arteriole is increased. As compensation, Angiotensin II acts to constrict the efferent arteriole in order to achieve adequate profusion of the glomerulus. ACE inhibitors block the conversion of angiotensin I into angiotensin II. Without its vasoconstrictive effect, the efferent arteriole becomes dilated. This leads to a drop in GFR and may lead to renal failure.
How the blood vessels associated with the renal corpuscle help to maintain relatively high blood pressure within the glomerulus?
http://en.wikipedia.org/wiki/Angiotensin
What is the renal hormonal reflex that gets activated with substantial blood loss?
Antidiuretic Hormone (ADH)
The area of the renal cortex that lies between renal pyramids are called?
renal columns
The areas on either side of the renal pyramids are called renal?
The areas on either side of the renal pyramids are called renal columns. These structures contain blood vessels and urine-collecting ducts that help transport urine from the renal pyramids to the renal pelvis.
How is renal vein thrombosis treated?
The enzyme streptokinase may be given to help dissolve the renal clot. Anticoagulant medications are usually prescribed to prevent clots from recurring.
Does Captopril causes hypokalemia or hyperkalemia?
Hyperkalemia. Captopril is an ACE (angiotensin converting enzyme) inhibitor which has various actions on the cardiovascular and renal systems. One of these actions in inhibition of the formation of Angiotensin II and aldosterone. Aldosterone acts to increase sodium (and water) reabsoprtion in the collecting duct of the nephron. In this process potassium is excreted. If aldosterone release is inhibited by Captopril then sodium reabsorption is decreased and potassium remains in the blood, leading to hyperkalemia.
What are area between the renal pyramids called?
the renal columns
What is the portion of the kidney that extends between the renal pyramids Called?
The portion of the kidney that extends between the renal pyramids is called the renal columns. They are composed of cortical tissue and serve to separate the renal pyramids.
What has the author Mattias Aurell written?
Mattias Aurell has written: 'Renal response in man to plasma volume expansion and angiotensin' -- subject(s): Angiotensins, Blood volume, Kidney function tests
How does the plasma membrane of the cell compare with the membrane in the U-shape?
The plasma membrane of a cell is a phospholipid bilayer that surrounds the cell and controls the passage of substances in and out of the cell. Whereas the membrane in a U-shaped tube serves a similar function as a barrier to control the movement of substances between two compartments in an experimental setup. Both membranes are selective in allowing specific molecules to pass through based on their size, charge, and solubility.
