Urinary System Histology

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

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