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What parts of the nephron is found in the renal medulla?
Most nephrons (85%) are contained withing the renal cortex. The remaining 15% are called juxtamedullary nephrons and their glomeruli are close to the corticomedullary border. Their loops of Henle are found within the renal medulla.
Which of the choices below is not a method by which the cells of the renal tubules can raise blood pH?
Kidneys secretes or excretes the acidic urine. This way the body pH is made slightly alkaline.
What are the three steps of urine formation and in what part of the nephron does each occur?
Urine formation and the adjustment of blood composition involve three major processes: glomerular filtration by the glomeruli, and tubular reabsorption and tubular secretion in the renal tubules. In addition, the collecting ducts work in concert with the nephrons to concentrate or dilute the urine..Functions of the nephrons include filtration, tubular reabsorption, and tubular secretion. Via these functional processes, the kidneys regulate the volume, composition, and pH of the blood, and eliminate nitrogenous metabolic wastes.
What are the 4 stages of urine formation?
the 4 stages in urine formation are.... 1- filtration: blood is filtered from the glomerulus into the bowmans capsule due to great pressure. the filtrate consists of water, nutrients, electrolytes and metabolic waste products 2- reabsorbtion: occurs in the renal tubules, reclaims useful substances for the blood 3- secretion: occurs in the renal tubules from peritubular capillaries. disposes of undesirable substances. 4- urine concentration and volume:when present, ADH (antidiuretic hormone), allows water to leave via the walls of collecting ducts, altering the urines concentration and volume. hope this helps.. :D
What does epithelial cells in urine mean?
Epithelial cells in urine generally means that the urine was not a clean mid-stream collection. Epithelial cells, are lining cells of the urethra and are constantly being turned over and sloughed. These cells are commonly called squamous epithelial cells. These cells can also indicate vaginal or perianal contamination. By voiding the first few mL of urine before collecting, there should be a very minimal amount of epithelial cells in the urine. There should only be concern when the epithelial cells found are determined to be renal epithelial cells. And are only concerning in high concentrations. These cells come from the renal tubules and can be a sign of renal disease and should be followed up by your physician.
Do the renal tubules empty urine into the renal pelvis?
ureterurethra
What does the medullla in the kidney do?
the renal medulla contains capillaries and urine forming tubules
Renal tubules empty urine into the what?
glomerulus, Bowman's capsule, proximal and distal tubules, and the loop of Henle are all part of what?
Where does the renal medulla drain urine into?
bladder
What is the function of Renal pyramids?
One million functional units
What is the central portion of the kidney that collects urine from the renal tubules called?
The renal pelvis or pyelum.
What is renal papilla?
The renal papilla is located in the kidneys. The function of the renal papilla is to store urine before it is excreted from the bladder. It contains part of the secreting tubules and the collecting tubules.
What isa the function renal pelvis in excretory system?
The renal pelvis collects urine filtrate from the collecting tubules.
Distal convoluted tubules flow directly into what structures?
The structures that distal tubes flow into are the collecting ducts of the kidneys. The collecting ducts are small tubes through which urine flows into the renal pelvis.
Where is urine excreted in the kidney?
excretion of urine does not occur in kidneys. Urea and wastes and urine are filtered in the renal corpuscle of the nephron tubule in the kidney. The wastes that are secreted into the tubules and not reabsorbed travel down tubules to urethra and excreted outside of body by urination.
What parts of the nephron is found in the renal medulla?
Most nephrons (85%) are contained withing the renal cortex. The remaining 15% are called juxtamedullary nephrons and their glomeruli are close to the corticomedullary border. Their loops of Henle are found within the renal medulla.
What is the function of the renal medulla?
The renal medulla is the center of the kidney. This is where the loops of Henle work to concentrate the urine and where the collecting ducts travel through to connect to the ureter to get rid of urine.
