Which of the following is NOT one of the three types of living epidermis?

The key to understanding this question lies in recognizing the roles and classifications of cells within the epidermis. The epidermis is the outermost layer of skin and primarily consists of three main types of cells: basal cells, keratinocytes, and melanocytes.

Basal cells are found in the deepest layer of the epidermis and are responsible for the generation of new skin cells. Keratinocytes, the most abundant cell type in the epidermis, play a crucial role in forming a protective barrier. Melanocytes, which are located in the basal layer, are responsible for pigment production that protects against ultraviolet (UV) radiation.

Adipocytes, on the other hand, are cells that store fat and are primarily found in the subcutaneous layer, which is beneath the epidermis. They do not contribute to the structure or function of the epidermis itself, which is why this answer is correct. The other options are integral components of the living epidermis and are involved in key processes like skin renewal, protection, and pigmentation.