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what is epithelial tissue? write it's function?
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?what is epithelial tissue? write it's function?
Hi, epithelial tissue is a protective tissue or the covering in the animal body . function:-
1. it plays an important role in regulating the exchange of materials between the body and external environment.2.it covers most organs and cavities within the body and keep the body systems separate.
1. it plays an important role in regulating the exchange of materials between the body and external environment.2.it covers most organs and cavities within the body and keep the body systems separate.
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?what is epithelial tissue? write it's function?
Epithelial Tissue: An Overview
Epithelial tissue is one of the four primary types of tissues in the body, characterized by closely packed cells with minimal extracellular matrix. It covers body surfaces, lines cavities and organs, and forms glands.
Key Characteristics
Functions of Epithelial Tissue
Epithelial tissue serves several critical functions in the body:
Types of Epithelial Tissue
Epithelial tissue can be classified based on cell shape and number of layers:
Understanding epithelial tissue is essential for comprehending its role in health and disease.
Epithelial tissue is one of the four primary types of tissues in the body, characterized by closely packed cells with minimal extracellular matrix. It covers body surfaces, lines cavities and organs, and forms glands.
Key Characteristics
- Cellularity: Composed predominantly of cells with little intercellular space.
- Polarity: Exhibits an apical surface (exposed to the environment) and a basal surface (attached to underlying tissues).
- Avascularity: Lacks blood vessels; nutrients are obtained via diffusion from underlying tissues.
- Regeneration: High regenerative capacity; cells can rapidly replace themselves.
Functions of Epithelial Tissue
Epithelial tissue serves several critical functions in the body:
- Protection: Acts as a barrier against mechanical injury, pathogens, and chemical exposure.
- Absorption: Facilitates the uptake of substances, such as nutrients in the intestines.
- Secretion: Produces and releases substances like hormones, enzymes, and mucus through glandular epithelium.
- Excretion: Helps in the elimination of waste products, particularly in renal tubules.
- Sensation: Contains sensory nerve endings that provide the sense of touch, taste, and smell.
Types of Epithelial Tissue
Epithelial tissue can be classified based on cell shape and number of layers:
- Simple Epithelium: Single layer of cells.
- Stratified Epithelium: Multiple layers of cells.
- Squamous, Cuboidal, and Columnar: Based on cell shape.
Understanding epithelial tissue is essential for comprehending its role in health and disease.
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?what is epithelial tissue? write it's function? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about ?what is epithelial tissue? write it's function? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for ?what is epithelial tissue? write it's function?.
?what is epithelial tissue? write it's function? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about ?what is epithelial tissue? write it's function? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for ?what is epithelial tissue? write it's function?.
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