list the pathway of the structure in urine formation from the glomerulus through the urethra. 12 structures

Name 3 major nitrogenous wastes found in urine.

Describe the steps in urine formation and mention where each step happens.

Pairs of urinary structures that are often confused are the ureters and the urethra; the perirenal and pararenal fat; and the renal sinus and renal pelvis. For each pair, differentiate one structure from the other.

Distinguish among the processes of filtration, tubular secretion, reabsorption and osmosis as they relate to the process of urine formation

Which of the urinary structures are responsible for transport of urine? Which of the urinary structures are responsible for temporary storage of urine? In detail, describe the micturition reflex.

ch 25 act 10  Please answer the following in complete sentences. David has noticed that both the volume and color of his urine varies day to day as well as with the time of day.  Help David understand the following observations.    When David gets up in the morning and voids after an overnight sleep, he notices his urine is darker in color and smaller in volume than at most other times of the day.  What is the explanation for the dark color and smaller volume?   David has discovered that after having a couple of beers with friends on a           Saturday night, he often voids a significant volume of urine, more than the           volume of the beers he has consumed. He also finds that the next morning            he is quite thirsty.  Provide a physiological explanation for both of these           observations.    increased urine volume –   increased thirst -   David has noticed that while strenuously working out at the gym, and for a while            afterwards, he rarely…

Describe how the nephron loop and the collecting duct in the renal medulla interact in producing concentrated urine. How is the decision made whether urine is concentrated or diluted? What are the stimuli? Which hormones play a role?

Trace the pathway of urine from the kidney to the urethra.