Utah Master Esthetician Practice Exam

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What are the connectors of the upper epidermal tissue called?

Desmosomes
Stratum corneum
Hemidesmosomes
Basal cells

The correct answer is: Desmosomes

The connectors of the upper epidermal tissue are known as desmosomes. These structures are critical in maintaining the integrity and stability of the skin. Desmosomes are specialized junctions that hold adjacent keratinocytes (skin cells) together, providing resistance to mechanical stress and preventing the skin from being easily damaged or pulled apart. The stratum corneum, while an essential layer of the epidermis, refers to the outermost layer comprised of dead skin cells that are continuously shed and replaced. Hemidesmosomes, on the other hand, serve as anchors between basal cells and the underlying basement membrane rather than connecting upper epidermal cells to one another. Lastly, basal cells refer to the deepest layer of the epidermis where new cells are generated, but they are not the connectors of the upper layers. This distinction clarifies the specific role of desmosomes in skin structure and integrity.