What characteristic is attributed to the cells forming desmosomes in the stratum spinosum?

• A. They carry oxygen
• B. They connect cells together
• C. They store fat
• D. They produce enzymes

Answer: (B)

Desmosomes are specialized structures that serve as junctions between adjacent cells, providing mechanical stability and strength. In the stratum spinosum, which is a layer of the epidermis, the cells are tightly connected by these desmosomes, creating a strong, interconnected network. This characteristic is crucial for maintaining skin integrity, as it helps withstand physical stress and prevents the separation of cells during various activities such as stretching or abrasion.

The formation of desmosomes in the stratum spinosum is particularly significant because this layer is subject to more tension and mechanical forces than the other layers of the epidermis. The connections provided by desmosomes thus play a vital role in the overall structure and function of the skin.

While other answer choices mention attributes that are not associated with the function of desmosomes in this context, the primary role of connecting cells together is what defines the characteristic contribution of these structures to the histology of the skin.