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biol 252 final urinary system
Terms in this set (31)
Kidneys, ureters, urinary bladder, urethra
components of urinary system
is filtering the blood and remove metabolic wastes
major function of kidney
By either conserving or eliminating water and electrolytes (sodium, potassium, and calcium ions).
How do the kidneys regulate osmolality (homeostasis of blood solute concentration)?
is a hormone, which is secreted by the kidneys and stimulates production of red blood cells.
stimulates production of red blood cells.
erythropoietin does what
: functional units of the kidney; filtering structures that consist of a renal corpuscle and renal tube
: interlobular arteries branch into these tiny arterioles which feed into a capillary bed called the glomerulus
: the glomerulus capillaries are drained by these. This feeds into a second capillary bed called the peritubular capillaries
ball-shaped capillary bed which is a part of the renal corpuscle of the nephron. The afferent arterioles feed into these.
the efferent arterioles feed into these. They form a plexus around the renal tubule of each nephron.
The glomerulus and glomerular capsule known as Bowman's capsule (epithelial tissue).
What is the renal corpuscle composed of?
afferent, glomerulus, efferent, podocyte, capsular, proximal
Blood flows into the corpuscle through the __________ arteriole, enters a capillary network called the __________ and leaves through the ___________ arteriole. While inside the corpuscle, some components of the blood are filtered through the capillaries' wall and the ____________ cells that are wrapped around the capillaries. The filtrate (the material that was filtered) reaches the ____________ space, and continues into the ______________ tubule.
renal cortex and medulla
The cortical nephrons are in the __________________ primarily. The juxtamedullary nephrons are in between the _____________________
the proximal tubule, the nephron loop and the distal tubule
components of the renal tubule
part of renal tubule that dips into the renal medulla
part of renal tubule that has brush border microvilli
part of renal tubule that does not have brush border microvilli
microscopic tube in the kidney where urine is formed after filtration
The network of tiny blood vessels that surrounds the proximal and distal tubules in the kidney
cells in the Bowman's capsule in the kidneys that wrap around capillaries of the glomerulus. The Bowman's capsule filters the blood, retaining large molecules such as proteins while smaller molecules such as water, salts, and sugars are filtered as the first step in the formation of urine.
cup-shaped strucutre of the nephron of a kidney which encloses the glomerulus and which filtration takes place.