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

4. Tissues & Histology

Introduction to Epithelial Tissue

Anatomy & Physiology

4. Tissues & Histology

Introduction to Epithelial Tissue

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Multiple Choice

Which of the following characteristics is used to name epithelial tissue types?

The amount of extracellular matrix

The type of fibers present in the tissue

The shape of the cells and the number of cell layers

The presence of blood vessels within the tissue

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Verified step by step guidance

Understand that epithelial tissue is classified based on two primary characteristics: the shape of the cells and the number of cell layers.

Learn the different cell shapes: squamous (flat), cuboidal (cube-shaped), and columnar (tall and column-like). These shapes are used to describe the appearance of the cells in the tissue.

Understand the classification of epithelial tissue based on the number of layers: simple epithelium (a single layer of cells) and stratified epithelium (multiple layers of cells). There is also pseudostratified epithelium, which appears layered but is actually a single layer with nuclei at different levels.

Recognize that the amount of extracellular matrix, type of fibers, and presence of blood vessels are not used to classify epithelial tissue. Epithelial tissue is avascular, meaning it lacks blood vessels, and has minimal extracellular matrix compared to other tissue types.

Apply this knowledge to identify epithelial tissue types by observing the shape of the cells and the number of layers under a microscope or in diagrams.