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Questions and Answers
Where is thick (non-hairy) skin primarily found?
Where is thick (non-hairy) skin primarily found?
- Back and shoulders
- Arms and legs
- Chest and abdomen
- Palms and soles (correct)
What is the histological structure of the epidermis?
What is the histological structure of the epidermis?
- Pseudostratified ciliated columnar epithelium
- Simple columnar epithelium
- Stratified cuboidal epithelium
- Stratified squamous keratinized epithelium (correct)
Where is the hypodermis located?
Where is the hypodermis located?
- Within the epidermis
- Below the dermis (correct)
- Above the epidermis
- Between the palms and soles
What is the function of the nucleus in a cell?
What is the function of the nucleus in a cell?
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How many nuclei does a mononucleated cell have?
How many nuclei does a mononucleated cell have?
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Provide an example of a binucleated cell.
Provide an example of a binucleated cell.
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What is the staining characteristic of the nucleus?
What is the staining characteristic of the nucleus?
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Where does the nucleus tend to occupy within the cell?
Where does the nucleus tend to occupy within the cell?
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Study Notes
Skin Structure
- Thick (non-hairy) skin is primarily found on the palms of the hands and soles of the feet.
- The epidermis has a histological structure composed of several layers of cells, with the outermost layer being the stratified squamous epithelium.
Subcutaneous Tissue
- The hypodermis is located beneath the dermis, and is also known as subcutaneous tissue.
Cell Structure
- The nucleus is the control center of a cell, responsible for storing genetic information.
- A mononucleated cell has one nucleus.
- An example of a binucleated cell is a hepatocyte, a type of liver cell.
- The nucleus is basophilic, meaning it stains blue with basic dyes.
- The nucleus tends to occupy a central position within the cell, often surrounded by cytoplasm.
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