Science Quiz / Urinary System Histology

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True or False: Glomeruli are supplied by afferent arterioles and drained by efferent arterioles
when ultrafiltrate enters the loop of henle it is isoosmotic to plasma. when it leaves it is what?
this glycoprotein regulates RBC formation in response to decreased blood oxygen concentration
an inability of the renal tubules to respond to antidiuretic hormone (ADH) resulting in inefficient water resorption by the collecting tubules.
central medullary ray and surrounding cortical material
point where afferent and efferent arterioles enter and exit Bowmans capsule
the thin ascending limb is highly permeable to what?
arteries in between the medulla and cortex of the kidney
the _____ nephrons have their renal corpuscles located in the outer part of the cortex
commonly referred to as the thick descending tubule of the loop of Henle. Descends into the medulla.
the _________ nephrons have their renal corpuscles in proximity to the base of a medullary pyramid
this is where the proximal convoluted tubule begins
visceral epithelial cells that extend processes around the glomerular capillaries
special capillary network of the medulla
True or False: Distal tubules have a brush border.
True or False: The cells of the proximal straight tubule are more specialized that that of the proximal convoluted tubule.
ADH regulated water channels in the collecting ducts
true or false: the distal straight tubule is a continuation of the thin ascending limb and it pumps ions from the tubule lumen to the interstitium
the ____ convoluted tubule exchanges Na and K ions
constitutes the thin portion of the loop of Henle.
also referred to as the thick ascending tubule of the loop of Henle. Ascends through the medulla to enter the cortex
the thin ascending limb is highly impermeable to what?
the proximal straight tubule, the thin segment, and the distal striaght tubule are collectively known as what?
true or false: the kidney is supplied by a venous portal system.
acts a a physical barrier and ion selective filter in the kidney
an area of closely packed specialized cells lining the wall of the distal tubule at the point of return of the nephron to the vascular pole of its parent glomerulus, (glomerular va
elongated space in between the interdigitating processes that allow the ultrafiltrate from the blood to enter Bowmans space
which tubule receives the ultrafiltrate from the urinary space of Bowman's capsule?
the thin descending limb is highly permeable to what?
these cells provide structural support and act as macrophages in the GBM of the kidney
this hormone regulates the water permeability in collecting ducts by acting AQP2
originates from the urinary pole of Bowmans capsule, follows a very convoluted course and then enters the medullary ray.
double layered epithelial cup surrounding the glomerulus
2 proteins that are responsible for fluid reabsorption in the proximal convoluted tubule of the kidneys
the interdigitating processes of proximal convoluted cells are composed of?
this hormone is involved in the regulation of blood pressure. It is released from the kidneys and cleaves angiotensinogen
capillaries of the renal cortex
True or False: the proximal convoluted tubule aids in digestion of peptides and disaccharides
secretes renin
space between the visceral and parietal layers of Bowmans capsule
capillaries of the renal medulla
collecting tubules or ducts drain urine into what?
nuclei are located in the apical portion of which type of tubule
the basal striations of the proximal convoluted tubule contain which organelle?
unique capillary network within the renal corpuscle
the Na/K ATPase pumps Na in or out of the cell?
basic functional unit of the kidney
these transmembrane proteins are responsible for the reabsorption of Na, which is the major driving force for the resorption of water in proximal convoluted tubule.
distal convoluted tubules drain into what?
small transmembrane protein that functions as a molecular water channel in the cell membrane of proximal convoluted tubules.

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