Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

2. Cell Chemistry & Cell Components

Introduction to Membrane Transport

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Introduction to Membrane Transport

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Multiple Choice

The filtration membrane is created by the and .

proximal tubule and distal tubule

renal capsule and ureter

glomerular endothelium and podocytes

loop of Henle and collecting duct

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Verified step by step guidance

Understand the context: The filtration membrane is a critical structure in the nephron of the kidney, responsible for filtering blood to form urine. It is part of the glomerulus, which is the site of filtration in the renal corpuscle.

Identify the components of the filtration membrane: The filtration membrane is composed of three layers: the fenestrated glomerular endothelium, the basement membrane, and the podocytes (specialized epithelial cells).

Clarify the role of the glomerular endothelium: This layer contains fenestrations (small pores) that allow water and small solutes to pass through while preventing the passage of blood cells.

Explain the function of podocytes: Podocytes have foot-like extensions called pedicels that interlock to form filtration slits. These slits further regulate what can pass through the filtration membrane, ensuring that large proteins and cells are retained in the blood.

Conclude by connecting the components: The glomerular endothelium and podocytes work together to form the filtration membrane, which is essential for the selective filtration of blood in the kidney's glomerulus.