Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Chapter 24.2, Problem 19CYU
Summary Introduction
To explain:
Label the diagram of the juxtamedullary nephrons.
Introduction:
Nephron has a microscopic, long tubular structure, which is around 30-55 mm long. It processes the blood and helps in selective reabsorption of water from the blood. The components of nephron are: loop of Henle, glomerulus, Bowman’s capsule, proximal convoluted tubule, renal corpuscle, distal convoluted tubule, and collecting duct.
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Define juxtamedullary nephron
Make a sketch of ONE complete Nephron in the kidney and label to show the blood flow (mark with red) and urine flow in this nephron (you can also use arrow to indicate flow direction).
Remember only ONE nephron in your kidney. show the correct location of this nephron (Cortical vs. Juxtamedullary Nephrons) in the entire kidney.
show the correct blood tubings within the nephron (I should be able to tell afferent and efferent arteriole from your sketch; also your nephron is closely associated with two capillary bed )
Using the space below, DRAW a simple diagram of the nephron loop and the vasa recta
capillaries. Include the following in your drawing:
Arrows showing the direction of blood flow in the vasa recta and the flow of tubular fluid
(pre-urine) in the nephron loop
An arrow (labeled # 1) showing where NaCl is pumped out of the nephron loop
An arrow (labeled #2) showing where NaCl diffuses into the vasa recta
An arrow (labeled #3) showing where NaCl diffuses out of the vasa recta
An arrow (labeled #4) showing where water diffuses out of the nephron loop
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Chapter 24 Solutions
Anatomy & Physiology (6th Edition)
Ch. 24.1 - Prob. 1CYUCh. 24.1 - From inside to outside, list the three layers of...Ch. 24.1 - The lumen of the ureter is continuous with a space...Ch. 24.2 - Name the tubular components of a nephron in the...Ch. 24.2 - What are the structural differences between...Ch. 24.2 - What type of capillaries are the glomerular...Ch. 24.2 - Prob. 19CYUCh. 24.3 - In the kidneys, tubular secretion of a substance...Ch. 24.4 - Extrinsic and intrinsic controls of GFR serve two...Ch. 24.4 - Calculate net filtration pressure given the...
Ch. 24.4 - Which of the pressures that determine NFP is...Ch. 24.5 - In which part of the nephron does most...Ch. 24.5 - How does the movement of Na+ drive the...Ch. 24.5 - MAKING conections Primary and secondary active...Ch. 24.6 - List several substances that are secreted into the...Ch. 24.7 - Describe the special characteristics of the...Ch. 24.7 - Under what conditions is ADH released from the...Ch. 24.8 - What would you expect the normal clearance value...Ch. 24.8 - What are the three major nitrogenous wastes...Ch. 24.9 - A kidney stone blocking a ureter would interfere...Ch. 24.9 - What is the trigone of the bladder, and which...Ch. 24.9 - Name the three regions of the male urethra.Ch. 24.9 - How does the detrusor respond to increased firing...Ch. 24.9 - MAKING connections Compare the structure and...Ch. 24 - The lowest blood concentration of nitrogenous...Ch. 24 - The glomerular capillaries differ from other...Ch. 24 - Damage to the renal medulla would interfere first...Ch. 24 - Which is reabsorbed by the proximal convoluted...Ch. 24 - Glucose is not normally found in the urine because...Ch. 24 - Filtration at the glomerulus is inversely related...Ch. 24 - Tubular reabsorption (a) of glucose and many other...Ch. 24 - If a freshly voided urine sample contains...Ch. 24 - Conditions such as diabetes mellitus and...Ch. 24 - Which of the following is/are true about ADH? (a)...Ch. 24 - What is the importance of the perirenal fat...Ch. 24 - Trace the pathway a creatinine molecule takes from...Ch. 24 - Explain the important differences between blood...Ch. 24 - Describe the mechanisms that contribute to renal...Ch. 24 - Prob. 5SAQCh. 24 - Describe what is involved in active and passive...Ch. 24 - Explain how the peritubular capillaries are...Ch. 24 - Explain the process and purpose of tubular...Ch. 24 - How does aldosterone modify the chemical...Ch. 24 - Explain why the filtrate becomes hypotonic as it...Ch. 24 - How does urinary bladder anatomy support its...Ch. 24 - Define micturition and describe the micturition...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...Ch. 24 - Lets return to Kyle Boulard, whom we met in the...
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- Describe (and label on a diagram) the structures of a nephron (including associated blood vessels) and give the functions of each structure.arrow_forwardIdentify the region where the glomeruli are located. Give the name followed by the letter in parentheses as follows: name (letter) Identify the collecting system structure marked H. Identify the artery marked F (note that the vessel is highlighted in green).arrow_forwardName the three layers of the wall of the glomerular capillaries. Indicate how those layers influence whether blood cells, ions, water, proteins and glucose are filtered at the glomerulus.arrow_forward
- The epithelium lining of the proximal convoluted tubule has a brush border. Name the cell structure that forms the brush border and state its function.arrow_forwardOn the image of the kidney, identify the structures or regions indicated below: B D Aarrow_forwardRenal cortex From renal artery ........ Renal medulla To renal vein 13 12 11 10 Figure 17.4 Relevant Terms Afferent arteriole Glomerular capsule Ascending limb of the nephron lop Glomerulus Collecting duct Interlobular artery Descending limb of the nephron loop Interlobular vein Distal convoluted tubule Peritubular capillary Efferent arteriole Proximal convoluted tubule Copyright 2012 by Mosby, an imprint of Elsevier Inc. All rights reserved.arrow_forward
- Explain why the differential permeability of specific sections of the renal tubule is necessary to produce concentrated urine?arrow_forwardWhich type of nephron (juxtamedullary or cortical) does this setup appear to approximate? Hint: pay attention to mOsm Alcohol blocks ADH. What affect would this have on the volumes and concentrations of urine, tubular, and interstitial fluid?arrow_forwardExplain the flow of urine beginning with the collecting duct and ending with the urethra.arrow_forward
- Describe the three layers comprising the glomerular filtration barrier, and identify podocytes, the capillary endothelium, and the basement membrane. Which layer has the highest barrier function against filtration?arrow_forwardExplain how urine may become concentrated as it movesthrough the collecting duct.arrow_forwardThe first step in making urine is the formation of filtrate. Explain how this step occurs. explain: the pressures involved, how the histology of the structure where this occurs facilitates filtrate formation, and what goes into the filtrate.arrow_forward
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