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Glucose is totally reabsorbed via secondary active transport through co-transport channels driven by the sodium gradient out of the nephron
Wiki User
∙ 13y ago
Wiki User
∙ 13y agosalt, water
glucose, amino acids
potassium, urea, phosphate
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what kidney cells perform a secretary function?
Nephrons are the basic unit of the kidney that produce urine. Their processes involve filtration, reabsorption and secretion in different places. The main part of the nephron that is involved with secretion is the Distal Convoluted Tubule (DCT). There is very little secretion in the Proximal Convoluted Tubule (PCT). Usually when you refer to secretion in the nephron, it will be in the DCT.
What structural modification of certain tubule cells enhances their ability to reabsorb substances from the filtrate?
I'm assuming that the filtrate refered to is that of Bowman's capsule in the kidney. If so then ... The cuboidal cells of the proximal convoluted tubule have long microvilli (brush border) on their apical (inside) surface that dramatically increase the surface area for reabsorption from the filtrate.
A nephon consists of a renal corpuscle and a what?
nephron consists of a cluster of blood capillaries called glomerulus and a renal tubule. now the renal tubule is swollen at one end and forms Bowman's capsule. the glomerulus surrounds this capsule and they together are called renal corpuscle. so the nephron consists of a renal corpuscle and a renal tubule. and the renal tubule is convoluted at first (also covered by blood capillaries) , then forms a U shape called "loop of henle" .then it ends into the collecting duct.
The Macula Densa cells respond to what?
Correct Answer: changes in solute content of the filtrate
What is the purpose of the microvilli in the proximal convoluted tubule?
Microvilli are the finger like projections present on the outer surface of the cell. Their function is to increase the surface area of the cells through which the diffusion of materials both into and out of the cell occur. They are also involved in absorption, secretion and cellular adhesion.
ARE THE lumen surfaces of the tubule cells within the proximal convoluted tubule are covered with micro villi?
yes
Which parts of the renal tubule is formed by cuboidal epithelial cells bordered by dense microvilli?
Proximal Convoluted Tubule
Is it true that lumen surfaces of the tubule cells within the proximal convoluted tubule ae covered with microvilli?
yes, it's true
In which segment of the nephron would you find cuboidal cells with many microvilli and mitochondria?
The Proximal Convoluted Tubule
What is the function of glomerular tubular?
filters the blood to prevent blood cells and proteins from entering into the filtrate and to allow the passage of blood plasma.
How are proximal convoluted tubule cells similar to enterocytes of the small intestine?
They both act as to absorb water, salts, urea, vitamins and phosphates.
What part of the renal tubule does reabsorption occur?
The Proximal Convoluted Tubules (PCT). The brush border cells of the PCT increase the cell's suface, which then helps with reabsorption.
How are NaCl and water reabsorbed in proximal tubule?
Mitochondria are needed in order to supply the energy for the active transport of sodium ions out of the cells in the proximal tubule to create a concentration gradient which allows more sodium ions to enter the cell from the luminal side.Water passively follows the sodium out of the cell along its concentration gradient.
what kidney cells perform a secretary function?
Nephrons are the basic unit of the kidney that produce urine. Their processes involve filtration, reabsorption and secretion in different places. The main part of the nephron that is involved with secretion is the Distal Convoluted Tubule (DCT). There is very little secretion in the Proximal Convoluted Tubule (PCT). Usually when you refer to secretion in the nephron, it will be in the DCT.
Premeability to water is regulated by ADH in this structure?
The principal cells in the distal convoluted tubule.
The capillary bed that directly receives the reabsorbed substances from tubule cells?
Peritubular capillaries
What type of cells form the proximal convoluted tubules?
Simple Cuboidal with Microvilli
