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Questions and Answers
What is the primary function of glandular epithelium?
What is the primary function of glandular epithelium?
- To absorb nutrients
- To cover organs externally
- To perceive stimuli
- To secrete chemicals (correct)
Which type of epithelial cell is characterized by a flat, scale-like appearance?
Which type of epithelial cell is characterized by a flat, scale-like appearance?
- Columnar
- Cubic
- Stratified
- Squamous (correct)
What distinguishes simple epithelia from stratified epithelia?
What distinguishes simple epithelia from stratified epithelia?
- Single layer of cells (correct)
- Composition of multiple layers of cells
- Presence of irregular layers
- Type of cell shapes
Which type of epithelial tissue is involved in color perception in the retina?
Which type of epithelial tissue is involved in color perception in the retina?
How is epithelial tissue primarily classified?
How is epithelial tissue primarily classified?
Flashcards
What is epithelial tissue?
What is epithelial tissue?
Epithelial tissue is a type of tissue that covers external surfaces, lines cavities and forms glands.
How is epithelial tissue classified?
How is epithelial tissue classified?
Epithelial tissue is classified based on the shape of its cells (squamous, cuboidal, or columnar) and the number of cell layers (simple, stratified, or pseudostratified).
What are squamous epithelial cells?
What are squamous epithelial cells?
Squamous epithelial cells are flat and scale-like in appearance.
What are cuboidal epithelial cells?
What are cuboidal epithelial cells?
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What are columnar epithelial cells?
What are columnar epithelial cells?
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Study Notes
Epithelial Tissue
- Covers surfaces of organs and lines internal spaces (lumen).
- Single or multiple layers of cells.
- Classified by cell shape:
- Squamous: Flat, scale-like.
- Cuboidal: Cube-shaped.
- Columnar: Column-shaped.
- Classified by number of cell layers:
- Simple: Single layer.
- Stratified: Multiple layers.
- Pseudostratified: Irregular appearance.
Types of Epithelial Tissue
- Sensory epithelium: Detects stimuli.
- Glandular epithelium: Secretes substances.
- Pigmented epithelium: Adds color (e.g., in the retina).
- Absorptive epithelium: Facilitates absorption.
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