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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 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.
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 collecting duct part of a nephron?
Distal Convoluted Tubule
Is creatinine reabsorbed by the proximal convoluted tubule?
No, creatinine is not actively reabsorbed by the proximal convoluted tubule. Instead, it is freely filtered at the glomerulus and excreted in the urine. The amount of creatinine excreted is used to estimate kidney function.
The sequence of structures that urea passes through in the nephron is?
Urea in the blood is filtered by the glomerulus into the Bowman's capsule, then it travels through the proximal convoluted tubule, loop of Henle, distal convoluted tubule, and collecting duct. Urea can be reabsorbed and recycled back into the blood at various points along the nephron.
