Textbook Question
Name the segments of the nephron distal to the renal corpuscle, and state the functions of each.
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Ch. 26 The Urinary System
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089
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Table of contents
- Ch. 1 An Introduction to Anatomy and Physiology26
- Ch. 2 The Chemical Level of Organization34
- Ch. 3 The Cellular Level of Organization30
- Ch. 4 The Tissue Level of Organization24
- Ch. 5 The Integumentary System17
- Ch. 6 Bones and Bone Structure36
- Ch. 7 The Axial Skeleton11
- Ch. 8 The Appendicular Skeleton17
- Ch. 9 Joints13
- Ch. 10 Muscle Tissue12
- Ch. 11 The Muscular System28
- Ch. 12 Nervous Tissue18
- Ch. 13 The Spinal Cord, Spinal Nerves, and Spinal Reflexes22
- Ch. 14 The Brain and Cranial Nerves20
- Ch. 15 Sensory Pathways and the Somatic Nervous System17
- Ch. 16 The Autonomic Nervous System and Higher-Order Functions30
- Ch. 17 The Special Senses16
- Ch. 18 The Endocrine System20
- Ch. 19 Blood31
- Ch. 20 The Heart31
- Ch. 21 Blood Vessels and Circulation29
- Ch. 22 The Lymphatic System and Immunity31
- Ch. 23 The Respiratory System12
- Ch. 24 The Digestive System18
- Ch. 26 The Urinary System31
- Ch. 27 Fluids & Electrolytes32
- Ch. 28 The Reproductive System12
- Ch. 29 Development and Inheritance23
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089Not the one you use?Change textbook
Chapter 25, Problem 12
Trace the path of a drop of blood from its entry into the renal artery until its exit at a renal vein.
Verified step by step guidance1
Start by identifying the entry point of the blood: the renal artery, which carries oxygenated blood into the kidney from the abdominal aorta.
Next, trace the blood flow from the renal artery into smaller branches called segmental arteries, which further branch into interlobar arteries that run between the renal pyramids.
Follow the blood as it moves into the arcuate arteries, which arch over the base of the renal pyramids, and then into the interlobular arteries that extend into the cortex of the kidney.
From the interlobular arteries, the blood enters the afferent arterioles, which lead to the glomerulus—a network of capillaries where filtration occurs.
After filtration, blood exits the glomerulus via the efferent arteriole, then flows into the peritubular capillaries and vasa recta surrounding the nephron, eventually draining into interlobular veins, arcuate veins, interlobar veins, and finally into the renal vein, which carries the filtered blood away from the kidney back to the inferior vena cava.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Renal Blood Flow Pathway
This concept involves understanding the sequence of blood vessels through which blood travels in the kidney, starting from the renal artery, moving through smaller arteries and arterioles, reaching the glomerulus, and eventually exiting via the renal vein. It highlights the anatomical route essential for kidney function.
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4:40
Alternative Pathway
Glomerular Filtration
Glomerular filtration is the process where blood plasma is filtered through the glomerulus into Bowman's capsule, initiating urine formation. This step is crucial as it separates waste and excess substances from the blood while retaining cells and large proteins.
Recommended video:
3:15Glomerular Filtration Rate
Peritubular Capillaries and Venous Return
After filtration, blood flows through peritubular capillaries surrounding the nephron tubules, where reabsorption and secretion occur. The blood then collects into venules and veins, ultimately draining into the renal vein, completing the circulation through the kidney.
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4:36Introduction to Capillaries
Related Practice
Textbook Question
What is the function of the juxtaglomerular complex?
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Textbook Question
Name and define the three distinct processes involved in the production of urine.
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Textbook Question
What are the primary effects of angiotensin II on kidney function and regulation?
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Textbook Question
Trace the pathway of the protein-free filtrate from where it is produced in the renal corpuscle until it drains into the renal pelvis in the form of urine. (Use arrows to indicate the direction of flow.)
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Textbook Question
Which structures of the urinary system are responsible for the transport, storage, and elimination of urine?
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