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From the original filtrate, a lot of much needed electrolytes (Sodium e.t.c) are reabsorbed (absorbed back into blood), a few substances secreted further into the urine, then loads of water reabsorbed to fine tune body water to exactly how much you need(as much as possible), making urine far more concentrated than the original filtrate.
K+ is more concentrated in the urine than filtrate because while other substances are reabsorbed into the capillaries through the large pores, the potassium mostly stays in the urine, which increases its concentration. Also, the pH of the body needs adjustments, which needs a large amount of K+ to be excreted through the excretory system to adjust to the optimum pH for the body.
Actually, phosphoric acid is concentrated hourse urine
Neurohypophyseal secretion of antidiuretic hormone or ADH stimulates the formation of concentrated urine. This hormone is also known as argipressin.
The loop of Henle
less urine is formed
Until the liquid reaches the renal pelvis, it is "glomerular filtrate," when it reaches the pelvis, it is called "urine"
Glomerular filtrate
the nephrons produce approx 150 litres of glomerular filtrate per day 99% of which is reabsorbed to leave an average of 1.5litres of urine.
glucose is transported back into the bloodstream
In the renal pelvis
Nephrons. This includes the glomerulus where the blood stream encounters a connective tissue filter, the loop of Henle where the filtrate is concentrated and salts are exchanged and the collecting duct into which urine is collected.
The inflammation would increase the permeability of your glomeruli. This retraction of the epithelium will allow the larger protein molecules to go through the filtrate.
Glomerular filtration rate is the rate at which fluid is filtered by the kidneys. The normal rate for humans is 125mL/min or 180L/day. The fluid that is filtered (and not reabsorbed later) is excreted as urine.
Glucose is absorbed in the nephron of the kidney, if it is present in very high amounts or unable to be reabsorbed, like with diabetes, it will be present in urine.
glucose and amino acids, because they are selectively reabsorbed in the proximal convoluted tubule.
Phosphate ions, sulfate ions, potassium ions, urea, uric acid, creatine.