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Questions and Answers
From which embryonic layers are epithelial tissues derived?
From which embryonic layers are epithelial tissues derived?
- Ectoderm, Mesoderm, Endoderm (correct)
- Mesoderm and Endoderm only
- Endoderm and Ectoderm only
- Ectoderm and Mesoderm only
What is a unique feature of the plasma membrane in epithelial cells?
What is a unique feature of the plasma membrane in epithelial cells?
- It is composed only of smooth muscle tissue.
- It contains large vacuoles.
- It lacks any specialized structures.
- It has specialized adaptations like flagella, cilia, and microvilli. (correct)
Which of the following is not a characteristic of epithelial tissues?
Which of the following is not a characteristic of epithelial tissues?
- Specialized plasma membrane
- Single-layered or multi-layered structure
- Lack of capacity for repair after damage (correct)
- Ability to regenerate
During which stage of development are epithelial tissues first formed?
During which stage of development are epithelial tissues first formed?
Which characteristic allows epithelial tissues to act as a protective covering for the body?
Which characteristic allows epithelial tissues to act as a protective covering for the body?
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Study Notes
Epithelial Tissue
- Forms the protective covering and inner lining of the body and organs
- First to evolve during evolution and formed during embryonic development
- Develops from the ectoderm, mesoderm, and endoderm of the embryo
Characteristics of Epithelial Tissues
- Can be single-layered or multi-layered
- Has the power to regenerate
- Has considerable capacity for repair after damage
- Plasma membrane of these cells is specialized into:
- Flagella
- Cilia
- Microvilli
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