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Which layer of the skin is primarily responsible for sensation?

  1. Epidermis

  2. Dermis

  3. Hypodermis

  4. Stratum corneum

The correct answer is: Dermis

The dermis is primarily responsible for sensation due to the presence of a rich network of nerve endings and sensory receptors embedded within this layer. These receptors detect various stimuli, including pressure, pain, temperature, and touch, providing the body with critical information about the external environment. The epidermis, while an essential layer of the skin, primarily serves protective functions and does not contain the specialized sensory receptors found in the dermis. The hypodermis, or subcutaneous layer, primarily functions to provide insulation and support, rather than sensation. The stratum corneum, being the outermost layer of the epidermis, mainly acts as a barrier and does not engage in sensory perception. Therefore, the dermis is the definitive layer responsible for the sensation in the skin.