What term refers to the cells that store lipids?

The term for the cells that store lipids is indeed fat cells, which are also known as adipocytes. Adipocytes are specialized cells found in adipose tissue that serve the primary function of storing energy in the form of fat. They not only store lipids but also play an important role in regulating energy balance, metabolism, and endocrine functions by releasing hormones and cytokines.

Keratinocytes are primarily known for their role in forming the outer layer of the skin and producing keratin, a protein that contributes to skin structure and protection. Melanocytes are responsible for producing melanin, the pigment that gives skin its color and provides some protection against UV radiation. Fibroblasts, on the other hand, are essential for producing collagen and other fibers in connective tissue, contributing to the structural framework of tissues. Therefore, while each of the other cell types has important functions in the body, it is fat cells that specifically store lipids.