5 Questions
Which of the following best describes the function of epithelial tissue?
Absorption, secretion, or ion transport
What is the role of the basal lamina in epithelial tissue?
To separate the cells from each other
What is the main characteristic of simple epithelium?
It is lined by a single layer of cells
What is the purpose of the basement membrane in epithelial tissue?
To anchor the epithelial cells to underlying tissues
What is the function of surface/membrane epithelium?
To form a continuous sheet of closely adherent cells
Study Notes
Epithelial Tissue Functions
- The function of epithelial tissue is to form the lining of organs, glands, and other body surfaces, as well as to facilitate the exchange of substances between the body and the environment.
Basal Lamina and Basement Membrane
- The basal lamina is a thin layer of extracellular matrix that separates epithelial tissue from underlying connective tissue.
- The basement membrane is a specialized form of basal lamina that provides a platform for epithelial cells to attach and serves as a filter that regulates the passage of molecules.
Simple Epithelium
- The main characteristic of simple epithelium is that it consists of a single layer of epithelial cells.
Surface/Membrane Epithelium
- The function of surface/membrane epithelium is to provide a barrier between the body and the environment, and to regulate the exchange of substances, such as ions, nutrients, and waste products.
Test your knowledge of epithelial tissues with this quiz. Explore the classification, functions, and characteristics of this important type of tissue that covers body surfaces and forms boundary layers.
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