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What is the term for the layer below the dermis?

  1. Superficial layer

  2. Subcutaneous layer

  3. Muscular layer

  4. Interfacial layer

The correct answer is: Subcutaneous layer

The term for the layer below the dermis is the subcutaneous layer. This layer, also known as the hypodermis, is primarily composed of adipose tissue and connective tissue. It plays a crucial role in insulating the body, absorbing shock, and allowing skin to move freely over underlying structures such as muscles and bones. The subcutaneous layer acts as a cushion and provides energy storage, making it vital for maintaining overall body health and function. In the context of tattoos, understanding the subcutaneous layer helps tattoo artists avoid injecting ink into this area, as doing so could lead to uneven ink distribution and may also cause complications.