43 Questions
What is the characteristic of pseudostratified epithelial cells?
They appear to be multiple cells but are actually a single type of cell.
What is the function of microvilli in epithelial cells?
To increase the surface area for absorption
Which type of epithelial cell is characteristically found in the intestine and uterine glands?
Tubular
What is the process by which merocrine glands release their product?
Vesicles fuse with the cell surface membrane to secrete the product.
What is the characteristic of holocrine glands?
The mature cell dies to secrete the product.
What is the main difference between exocrine and endocrine glands?
The presence or absence of a duct system.
What is the primary function of columnar epithelial cells?
Absorption of nutrients
What is the characteristic that distinguishes stratified epithelial cells from simple epithelial cells?
The presence of multiple layers of cells
What type of epithelial cell is typically found in the respiratory tract?
Pseudostratified epithelial cells
What is the function of stereocilia in epithelial cells?
Sense organs
What is the characteristic of tubular glands?
They are found in the intestine and uterine glands
What is the process by which apocrine glands release their product?
Part of the cell is pinched off to release the product
What is the primary function of cilia in epithelial cells?
Movement
Which type of epithelial cell is characterized by a cubic shape and is involved in secretion?
Cuboidal
What is the main difference between simple and stratified epithelial cells?
Number of layers
What is the function of microvilli in absorptive epithelial cells?
Increase surface area for absorption
Which type of gland is characterized by the release of its product into the bloodstream?
Endocrine gland
What is the characteristic of columnar epithelial cells?
Absorptive function
What is the function of stereocilia in epithelial cells?
Detect sensory stimuli
What is the characteristic of cuboidal epithelial cells?
Cuboidal shape
What is the primary function of the basement membrane in epithelial cells?
To separate the epithelial cells from the underlying supporting tissue
What is the characteristic shape of squamous epithelial cells?
Slightly irregular
What is the primary function of endothelial cells?
To line the inner surface of blood vessels and lymphatic vessels
What is the characteristic of glands that release their product into the bloodstream?
They have no duct system and release the product directly into the bloodstream
What is the primary function of cilia in epithelial cells?
To facilitate the movement of substances across the epithelial cell layer
What is the characteristic of secretory epithelial cells?
They have a lumen that crosses the cell
What is the primary function of microvilli in epithelial cells?
To increase the surface area of the epithelial cell for absorption
What is the characteristic of coiled glands?
They are characterized by a coiled shape, such as sweat glands
What is the primary function of the basement membrane in epithelial cells?
To separate the epithelial cells from the underlying supporting tissue
What is the primary function of exocrine glands?
To release products onto the epithelial surface or via ducts
What is the characteristic of glands that release their products through a duct system?
Exocrine glands
What is the primary function of secretory epithelial cells?
To produce and release secretory products
Which type of gland is characterized by the release of its product into the bloodstream?
Endocrine glands
What is the characteristic of stratified epithelial cells?
They have multiple layers of cells
What is the primary function of endothelial cells?
To line the inner surface of blood vessels and lymphatic vessels
What is the primary function of the basement membrane in epithelial cells?
To separate epithelial from underlying supporting tissue
What type of epithelial cell is characterized by finger-like projections called microvilli?
Columnar
Which type of gland is characterized by the release of its product into the bloodstream?
Endocrine gland
What is the primary function of cilia in epithelial cells?
To facilitate movement
Which type of epithelial cell is characterized by a cubic shape and is involved in secretion?
Cuboidal
What is the characteristic of simple epithelial cells?
Only one layer of cells
What is the primary function of secretory epithelial cells?
To secrete products
Which type of gland is characterized by the release of its product through a duct system?
Exocrine gland
Learn about the characteristics and types of epithelial cells, including simple and stratified epithelium, and their functions in the body.
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