Podcast
Questions and Answers
What is primarily the function of desmosomes?
What is primarily the function of desmosomes?
Which statement accurately describes hemidesmosomes?
Which statement accurately describes hemidesmosomes?
During tissue repair, what happens to desmosomes?
During tissue repair, what happens to desmosomes?
What is a major role of hemidesmosomes in gingival tissue?
What is a major role of hemidesmosomes in gingival tissue?
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What differentiates hemidesmosomes from desmosomes?
What differentiates hemidesmosomes from desmosomes?
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Study Notes
Intercellular Junctions
- Intercellular junctions are formed between cells and between cells and non-cellular surfaces
- These junctions act as mechanical attachments
Desmosomes
- Desmosomes are junctions formed between cells
- They are primarily found in the superficial layers of skin and oral mucosa
- Desmosomes are released during tissue turnover
- Cells are reattached in new locations during tissue migration such as during tissue repair
Hemidesmosomes
- Hemidesmosomes connect cells to non-cellular surfaces
- They are crucial for connecting epithelium to connective tissue, such as the basement membrane, in skin and oral mucosa
- Structurally, a hemidesmosome is half a desmosome with a smaller attachment plaque containing only tonofilaments on its cellular side
Clinical Relevance
- Hemidesmosomes contribute to gingival tissue attachment to tooth surfaces, like the attachment between nails and nail beds
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Description
This quiz explores intercellular junctions, focusing on desmosomes and hemidesmosomes, including their structure and clinical relevance. Learn about how these junctions contribute to tissue integrity and repair, particularly in skin and oral mucosa. Test your knowledge on their roles in connecting cells and tissue surfaces.
