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Which is a type of epithelium in which all cells are connected to the basement membrane but some of them do not reach the surface?
Pseudostratified columnar epithelium is a type of epithelium where all cells are connected to the basement membrane, but not all reach the surface. This type of epithelium appears to be stratified due to the varying heights of the nuclei within the cells, giving the false impression of multiple layers.
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 contains the chloroplast?
Chlororplast contains a surface area plasma membrane and endoplasmic memranes.
The portion of a membrane that is closest to the organ is the?
The portion of a membrane closest to the organ is known as the visceral layer. It directly contacts and covers the organ's surface, forming a protective barrier around it.
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.
What type of epithelium lines the inner surface of the ureter?
transitional epithelium
What is free surface?
An epithelium always has on surface where the cells are exposed either to the external environment or to an internal passageway or cavity; this surface is called the free surface of the epithelium.
What is the function of an epithelium that is smooth on its free surface compared to an epithelium with a folded free surface made up of micro-villi?
Secretion is one of epithelium's major functions. However, if there are microvilli, they are used for absorption. Regular epithelium would be in our skin, and epithelium with microvilli would be in the digestive tract.
What does the chloroplast contain?
Chlororplast contains a surface area plasma membrane and endoplasmic memranes.
What kind of epithelial tissue is found in the duodenum?
The duodenum is lined with simple columnar epithelium, which is specialized for absorption and secretion. This type of epithelium contains cells with microvilli that increase the surface area for nutrient absorption in the small intestine.
What type of epithelium is found on the surface of tha papilla?
The surface of the papilla is covered by stratified squamous epithelium. This type of epithelium provides protection against mechanical stresses and abrasion.
Multiple rows of cells covering a tissue in which the cells are the same shape from the basement membrane to the surfaces would be epithelia?
Yes, you're describing a stratified epithelium. In this type of epithelium, multiple layers of cells cover a tissue and the cells maintain the same shape from the bottom layer (basement membrane) to the top layer on the surface.
