18 Questions
What is the main function of the simple epithelium?
Regulating absorption and secretion
How do the cells in a stratified epithelium differ from those in a simple epithelium?
Stratified epithelium has more than one layer of cells
What is the primary function of the basement membrane in epithelial tissues?
To anchor the epithelial cells to the underlying connective tissue
Which type of epithelium is best suited for rapid regeneration?
Stratified squamous epithelium
Why are epithelial tissues considered avascular?
They lack blood vessels
What is the primary function of the ciliated columnar epithelium found in the respiratory tract?
Secretion of mucus
What is the term used to describe the surface of epithelial cells that is exposed and not attached to other cells?
Free or apical surface
What is the primary function of the basement membrane in epithelial tissues?
To attach the epithelial cells to the underlying tissues
How do epithelial cells receive their nutrients and gases if they are avascular (non-vascular)?
They diffuse nutrients and gases from the blood vessels across the basement membrane
What is the primary function of the lateral surface of epithelial cells?
To attach the cells to adjacent epithelial cells
What is the main reason that epithelial tissues have the ability to regenerate and replace damaged cells?
They have a high rate of cell division and proliferation
What is the primary function of the basement membrane in epithelial tissues?
To attach the epithelial cells to the underlying connective tissue
What is the main function of epithelial tissues?
To cover and protect body surfaces
Which type of epithelial tissue forms glands?
Glandular epithelium
What is the defining characteristic of epithelial cells?
They are mostly composed of cells with little extracellular matrix
Why are epithelial tissues considered avascular?
They are not connected to the circulatory system and receive nutrients through diffusion
What is the role of the extracellular matrix in epithelial tissues?
It provides structural support and anchoring for the epithelial cells
How do epithelial tissues regenerate when damaged?
They undergo rapid cell division and differentiation
Test your knowledge about the different surfaces of epithelial tissue, including free or apical surface, lateral surface, and basal surface. Learn about the basement membrane that attaches epithelial cells to underlying tissues.
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