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Questions and Answers
What molecules self-assemble to form a lace-like sheet below the cells' basal poles?
What molecules self-assemble to form a lace-like sheet below the cells' basal poles?
BASEMENT MEMBRANE
What is the function of type IV collagen in junctions?
What is the function of type IV collagen in junctions?
Seals to prevent the flow of materials
Which adhesive glycoprotein holds together laminin and type IV collagen in the basement membrane?
Which adhesive glycoprotein holds together laminin and type IV collagen in the basement membrane?
ENTACTIN/NIDOGEN and PERLECAN
What type of junctions provide channels for communication between adjacent cells?
What type of junctions provide channels for communication between adjacent cells?
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What is the major component of anchoring fibrils in the basement membrane?
What is the major component of anchoring fibrils in the basement membrane?
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What type of collagen forms a supporting network in the reticular lamina of the basement membrane?
What type of collagen forms a supporting network in the reticular lamina of the basement membrane?
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What is the main function of stratified columnar epithelium?
What is the main function of stratified columnar epithelium?
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Describe the appearance of transitional (urothelium) epithelium when the organ is distended.
Describe the appearance of transitional (urothelium) epithelium when the organ is distended.
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What is the classification of glandular epithelia based on how the secretory products leave the cell?
What is the classification of glandular epithelia based on how the secretory products leave the cell?
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Where is the stratified columnar epithelium found in the body?
Where is the stratified columnar epithelium found in the body?
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Explain the variation in shape of cells in stratified columnar epithelium.
Explain the variation in shape of cells in stratified columnar epithelium.
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What is the main function of secretory epithelia and glands?
What is the main function of secretory epithelia and glands?
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What are the two main classifications of exocrine glands based on the way secretory products leave the cell?
What are the two main classifications of exocrine glands based on the way secretory products leave the cell?
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Describe the secretory portion of acinar exocrine glands.
Describe the secretory portion of acinar exocrine glands.
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Which type of gland maintains the integrity of their constituent cells throughout the process of secretion?
Which type of gland maintains the integrity of their constituent cells throughout the process of secretion?
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Give an example of an exocrine gland that exhibits holocrine secretion.
Give an example of an exocrine gland that exhibits holocrine secretion.
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What is the main difference between merocrine and holocrine secretion in terms of cell involvement?
What is the main difference between merocrine and holocrine secretion in terms of cell involvement?
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What type of cells are gap junctions present in and absent in?
What type of cells are gap junctions present in and absent in?
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What is the mutation associated with congenital disease related to Connexin 26?
What is the mutation associated with congenital disease related to Connexin 26?
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Which exocrine gland type is characterized by the release of spermatozoa in the testis?
Which exocrine gland type is characterized by the release of spermatozoa in the testis?
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What is the role of Junction Desmosome in cells?
What is the role of Junction Desmosome in cells?
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What are the major transmembrane proteins involved in Junction Desmosome?
What are the major transmembrane proteins involved in Junction Desmosome?
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What cytoskeletal components are associated with Junction Desmosome?
What cytoskeletal components are associated with Junction Desmosome?
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What is the major function of Gap Junctions?
What is the major function of Gap Junctions?
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What is the main function of stereocilia found in the lining epithelium of the epididymis and proximal part of the ductus deferens?
What is the main function of stereocilia found in the lining epithelium of the epididymis and proximal part of the ductus deferens?
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How do basal infoldings contribute to the function of epithelial cells?
How do basal infoldings contribute to the function of epithelial cells?
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What is the difference between primary cilium and motile cilia in terms of motility?
What is the difference between primary cilium and motile cilia in terms of motility?
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What important role does nodal play in embryonic development?
What important role does nodal play in embryonic development?
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Where are simple squamous epithelium cells typically found?
Where are simple squamous epithelium cells typically found?
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What are the main groups for the classification of epithelia based on function?
What are the main groups for the classification of epithelia based on function?
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