Podcast
Questions and Answers
What is the main function of tight junctions?
What is the main function of tight junctions?
- Maintain cell polarity by preventing migration of proteins between apical and basal surfaces (correct)
- Support epithelium
- Provide direct communication between adjacent cells
- Resist shearing forces
Which protein is responsible for linking adherens junctions to actin microfilaments in the cell cytoplasm?
Which protein is responsible for linking adherens junctions to actin microfilaments in the cell cytoplasm?
- Claudins
- Desmoplakin
- Catenin (correct)
- Occludins
What is the role of hemidesmosomes in epithelial tissue?
What is the role of hemidesmosomes in epithelial tissue?
- Preventing pulling apart of muscle cells
- Providing direct communication between adjacent cells
- Supporting epithelium
- Connecting epithelia to basement membrane (correct)
Which type of tissue is responsible for producing the reticular lamina?
Which type of tissue is responsible for producing the reticular lamina?
What is the role of basement membrane in epithelia?
What is the role of basement membrane in epithelia?
Which type of junction forms a junctional complex when combined with tight and adherens junctions?
Which type of junction forms a junctional complex when combined with tight and adherens junctions?
What is the primary function of simple squamous epithelium?
What is the primary function of simple squamous epithelium?
How does simple cuboidal epithelium differ from simple squamous epithelium in terms of cell structure?
How does simple cuboidal epithelium differ from simple squamous epithelium in terms of cell structure?
What is the main characteristic of stratified squamous epithelium?
What is the main characteristic of stratified squamous epithelium?
Which type of epithelium appears to have multiple layers but all cells are in contact with the basement membrane, making it functionally a simple epithelium?
Which type of epithelium appears to have multiple layers but all cells are in contact with the basement membrane, making it functionally a simple epithelium?
Where in the body would you find transitional epithelium and what is its main function?
Where in the body would you find transitional epithelium and what is its main function?
What differentiates pseudostratified columnar epithelium from true stratified columnar epithelium?
What differentiates pseudostratified columnar epithelium from true stratified columnar epithelium?
Flashcards
Tight Junction Function
Tight Junction Function
Prevents protein migration between apical and basal surfaces, maintaining cell polarity.
Adherens Junction Link Protein
Adherens Junction Link Protein
Catenin links adherens junctions to actin microfilaments.
Hemidesmosome Role
Hemidesmosome Role
Connects epithelium to the basement membrane.
Reticular Lamina Maker
Reticular Lamina Maker
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Basement Membrane Role
Basement Membrane Role
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Junctional Complex
Junctional Complex
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Simple Squamous Function
Simple Squamous Function
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Simple Cuboidal vs Simple Squamous
Simple Cuboidal vs Simple Squamous
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Stratified Squamous Feature
Stratified Squamous Feature
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Pseudostratified Columnar
Pseudostratified Columnar
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Transitional Epithelium Location/Function
Transitional Epithelium Location/Function
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Pseudostratified vs True Stratified Columnar
Pseudostratified vs True Stratified Columnar
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Epithelial Filtration
Epithelial Filtration
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Apical surface
Apical surface
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Basement membrane function
Basement membrane function
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