How is the nail plate structurally composed?

The nail plate is primarily composed of layers of protein called keratin. Keratin is a fibrous protein that is a key structural component of the nail, providing it with strength and durability. The composition of the nail plate allows it to be both protective and functional. The layers of keratin are tightly bound together, which not only provides a solid structure but also contributes to the nail's resilience against daily wear and tear.

This focus on keratin is crucial to understanding nail health and growth, as various factors can affect keratin production and integrity, leading to changes in the appearance and strength of the nails. Understanding that the nail plate is made up of these layered proteins helps in recognizing the importance of proper care and maintenance in preserving nail health. Other options, such as being composed of a single layer of cells, fatty tissue, or primarily water, do not accurately reflect the structural complexity and composition of the nail plate.