Concept explainers
To discuss:
The mechanism of transitional epithelium and its special protective property.
Introduction:
Epithelial cells are a sheet of adhering cells that cover the body surfaces and cavities in the form of internal and external linings of body organs and tissues of glands. The main functions of the epithelial cells are protection, secretion, absorption, excretion, sensation, and filtration.
Stratified epithelial cells consist of 2 to 20 layers of epithelial lining, which appears in a simple, cuboidal, and columnar shape. It acts as a protective layer because it has more number of layers. It has capabilities to withstand epithelial abrasions. It undergoes self-renewing process, where the epithelial cells constantly fill the cavities of organs.
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ANATOMY & PHYSIOLOGY V1. W/CONNECT
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- Which type of epithelial cell is found in glands? squamous cuboidal columnar transitionalarrow_forwardOne of the main functions of connective tissue is to integrate organs and organ systems in the body. Discuss how blood fulfills this role.arrow_forwardWatch this video (http://openstaxcollege.org/l/etissues) to find out more about the anatomy of epithelial tissues. Where in the body would one find non-keratinizing stratified squamous epithelium?arrow_forward
- Which of the following is the epithelial tissue that lines the interior of blood vessels? columnar pseudostratified simple squamous transitionalarrow_forwardIn observing epithelial cells under a microscope, the cells are arranged in a single layer and look tall and narrow, and the nucleus is located close to the basal side of the cell. The specimen is what type of epithelial tissue? columnar stratified squamous transitionalarrow_forwardWhich type of epithelial cell is found in the urinary bladder? squamous cuboidal columnar transitionalarrow_forward
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