Anatomy & Physiology Laboratory Manual 10 11 DESNOYER O 12

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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**Anatomy & Physiology Laboratory Manual**

This diagram is labeled with numbers 1 to 12, illustrating the components of the nephron, a key structure in the kidney involved in the filtration of blood and urine formation. Below is a brief explanation of the elements typically included in such diagrams:

1. **Afferent arteriole** - carries blood to the glomerulus.
2. **Glomerulus** - a network of capillaries involved in filtration.
3. **Bowman's capsule** - surrounds the glomerulus, collecting the filtrate.
4. **Proximal convoluted tubule** - reabsorbs nutrients, ions, and water.
5. **Descending limb of loop of Henle** - permeable to water, concentrating the filtrate.
6. **Ascending limb of loop of Henle** - impermeable to water, allows ion transport.
7. **Distal convoluted tubule** - further ion exchange and acid-base balance.
8. **Collecting duct** - gathers urine from many nephrons, conserves water.
9. **Efferent arteriole** - takes blood away from the glomerulus.
10. **Peritubular capillaries** - network for reabsorption and secretion.
11. **Vasa recta** - helps maintain the concentration gradient in the medulla.
12. **Ureter** - conducts urine to the bladder.

This essential kidney structure regulates water and soluble substances, playing a critical role in maintaining homeostasis.
Transcribed Image Text:**Anatomy & Physiology Laboratory Manual** This diagram is labeled with numbers 1 to 12, illustrating the components of the nephron, a key structure in the kidney involved in the filtration of blood and urine formation. Below is a brief explanation of the elements typically included in such diagrams: 1. **Afferent arteriole** - carries blood to the glomerulus. 2. **Glomerulus** - a network of capillaries involved in filtration. 3. **Bowman's capsule** - surrounds the glomerulus, collecting the filtrate. 4. **Proximal convoluted tubule** - reabsorbs nutrients, ions, and water. 5. **Descending limb of loop of Henle** - permeable to water, concentrating the filtrate. 6. **Ascending limb of loop of Henle** - impermeable to water, allows ion transport. 7. **Distal convoluted tubule** - further ion exchange and acid-base balance. 8. **Collecting duct** - gathers urine from many nephrons, conserves water. 9. **Efferent arteriole** - takes blood away from the glomerulus. 10. **Peritubular capillaries** - network for reabsorption and secretion. 11. **Vasa recta** - helps maintain the concentration gradient in the medulla. 12. **Ureter** - conducts urine to the bladder. This essential kidney structure regulates water and soluble substances, playing a critical role in maintaining homeostasis.
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