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Is the Apical surface of the epithelium the deepest layer of cells?
No, the apical surface of the epithelium is not the deepest layer of cells; rather, it is the outermost layer that faces the lumen or external environment. The deepest layer of epithelial cells is referred to as the basal layer, which rests on the basement membrane. The apical surface is involved in functions such as absorption, secretion, and sensation, depending on the type of epithelium.
What tissue is described as an apical surface and a basement membrane?
The tissue described as having an apical surface and a basement membrane is epithelial tissue. Epithelial tissue covers body surfaces, lines cavities and organs, and forms glands. The apical surface is the top layer that faces the exterior or the lumen of a cavity, while the basement membrane provides support and anchors the epithelium to underlying connective tissue.
What type of tissue has an apical and basal surface?
Epithelial tissue lines body surfaces and cavities as have apical and basement sides.
What is pseudostratified epithelium and What does it look like?
Pseudostratified epithelium is a type of epithelial tissue that appears to be stratified (layered) but is actually a single layer of cells. It is commonly found in the respiratory tract, where it is involved in moving mucus and debris out of the airways. Pseudostratified epithelium typically has cilia on its apical surface, giving it a brush-like appearance.
What type of epithelium that secretes into ducts that open onto surfaces like skin or into body fluids?
Simple cuboidal epithelium is responsible for secreting into ducts that open onto surfaces like skin or into body fluids.
Is the Apical surface of the epithelium the deepest layer of cells?
No, the apical surface of the epithelium is not the deepest layer of cells; rather, it is the outermost layer that faces the lumen or external environment. The deepest layer of epithelial cells is referred to as the basal layer, which rests on the basement membrane. The apical surface is involved in functions such as absorption, secretion, and sensation, depending on the type of epithelium.
What type of epithelium has dome shaped cell on the apical surface?
Transitional epithelium has dome-shaped cells on its apical surface. It is a specialized type of epithelium found in organs that stretch, like the urinary bladder, and can transition between squamous and cuboidal shapes as the organ expands and contracts.
What tissue is described as an apical surface and a basement membrane?
The tissue described as having an apical surface and a basement membrane is epithelial tissue. Epithelial tissue covers body surfaces, lines cavities and organs, and forms glands. The apical surface is the top layer that faces the exterior or the lumen of a cavity, while the basement membrane provides support and anchors the epithelium to underlying connective tissue.
Why is the epidermis keratinized and not non-keratinized?
In this case, the most apical layers (exterior) of cells are dead and lose their nucleus and cytoplasm, instead contain a tough, resistant protein called keratin. This specialization makes the epithelium waterproof, so is found in the mammalian skin.
What type of tissue has an apical and basal surface?
Epithelial tissue lines body surfaces and cavities as have apical and basement sides.
All cells attached to the basement membrane but not all cells reach free surfaces is a description of what?
This describes the simple columnar epithelium tissue. In this tissue, all cells are attached to the basement membrane, but not all cells reach the free surface, as some may be buried below the apical surface of the tissue layer.
Which epithelium is highly absorptive due to increased surface area cause by microvilli found on free apical surface?
Enterocytes.
Is transitional epithelium highly absorptive because of increased surface area caused by microvilli found on free apical surface?
Yes
How do avascular tissue receive nutreints?
Avascular tissues receive nutrients through diffusion from neighboring blood vessels or surrounding tissues. These tissues depend on a close proximity to a blood supply to maintain their metabolic functions.
What is pseudostratified epithelium and What does it look like?
Pseudostratified epithelium is a type of epithelial tissue that appears to be stratified (layered) but is actually a single layer of cells. It is commonly found in the respiratory tract, where it is involved in moving mucus and debris out of the airways. Pseudostratified epithelium typically has cilia on its apical surface, giving it a brush-like appearance.
What type of epithelium that secretes into ducts that open onto surfaces like skin or into body fluids?
Simple cuboidal epithelium is responsible for secreting into ducts that open onto surfaces like skin or into body fluids.
What is the epithelium that covers the inner surfaces of the eyelids and the outer surface of the eye called?
The answer is conjunctiva.
