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Describe the difference between incomplete penetrance and variable expressivity. It is often difficult to pinpoint the cause of incomplete penetrance or variable expressivity. What possible interactions may be responsible?
Pseudostratified Epithelium
A type of tissue lining some air passages and glands, appearing layered due to cell nuclei at different levels, though each cell contacts the basement membrane.
Stratified Epithelium
A type of epithelial tissue composed of multiple layers of cells, serving as a protective barrier in areas of the body subject to abrasion and friction.
Mesothelium
A simple squamous epithelium that lines the major cavities of the body and covers the surface of internal organs.
Visceral
Relating to the internal organs of the body, especially those within the chest or abdomen.
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