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The Distal Convoluted Tubule or DCT, acts as a site for selective secretion and reabsorption as water and ions pass between the blood and the filtrate across the tubule membrane. The DCT's are involved in pH Regulation as well as tubular excretion (excretion of Ammonia, Uric Acid, Urea, Creatinine, Hydrogen, antibiotics,and other nitrogenous wastes).Also the distal covulated tubule reabsorve molecules and act whev the body response to loss of water. thank you
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Is the collecting duct the site that drains the distal convoluted tubule?
No, the collecting duct is the site where the filtrate from multiple nephrons is collected and the final adjustments to urine concentration are made. The distal convoluted tubule drains into the collecting duct.
What are the parts of a nephron in order?
The parts of a nephron in order are the renal corpuscle (glomerulus and Bowman's capsule), proximal convoluted tubule, loop of Henle (descending and ascending limbs), distal convoluted tubule, and collecting duct.
Aldosterone acts on what part of the kidney?
Aldosterone acts on the distal convoluted tubule and collecting duct in the kidney to increase sodium reabsorption and potassium secretion.
Is the distal convoluted tubule more permeable to water than solutes?
No, The DCT is impermeable to water. Solutes (Na and Cl) are absorbed from the DCT. As a consequence the osmolality of tubular fluid DECREASES as it moves through the distal convoluted tubule, from ~100mOsm/L at it exits the ascending limb of the loop of Henle to around 70mOsm/L as it enters the collecting duct.
What is the sequence of the nephron in order from glomerular?
From the glomerulus, the sequence of the nephron is proximal convoluted tubule, loop of Henle (descending and ascending limbs), distal convoluted tubule, and collecting duct.
What is the primary site of tubular reabsorption in the kidneys?
The distal convoluted tubule or the collecting tube.
In which region of the nephron does secretion occur?
The distal tubule
What are the subdivisons of the renal tubule?
Proximal convoluted tubule, Loop of henle and Distal convoluted tubule.
What histological feature distinguishes proximal convoluted tubule from a distal convoluted tubule?
Proximal convoluted tubules have brush borders or microvilli on the inner edge of the tubule. Distal convoluted tubules do not have this structure.
What is the last portion of the renal tubule?
the three main portions of the renal tubule are the proximal convoluted tubule, the loop of henle, and the distal convoluted tubule. the proximal convoluted tubule is the first portion. The proximal (convulated) tubule.
Is the collecting duct the site that drains the distal convoluted tubule?
No, the collecting duct is the site where the filtrate from multiple nephrons is collected and the final adjustments to urine concentration are made. The distal convoluted tubule drains into the collecting duct.
What is finally reabsorbed in distal convoluted tubule?
Bicarbonate.
What are the parts of a nephron in order?
The parts of a nephron in order are the renal corpuscle (glomerulus and Bowman's capsule), proximal convoluted tubule, loop of Henle (descending and ascending limbs), distal convoluted tubule, and collecting duct.
What is the section of the renal tubule closest to the glomerular capsule?
The proximal convoluted tubule is closest to the glomerular capsule. The distal convoluted tubule is farther away.
Aldosterone acts on what part of the kidney?
Aldosterone acts on the distal convoluted tubule and collecting duct in the kidney to increase sodium reabsorption and potassium secretion.
Is the collecting duct part of a nephron?
Distal Convoluted Tubule
What stimulates the secretion of potassium from the peritubular blood into the distal convoluted tubule?
Aldosterone
