Keratin (noun)

Keratin is a fibrous protein that is the main structural component of hair, nails, feathers, hooves, and horns.

Origin:

The word keratin is derived from the greek word "keras" meaning "horn".

Examples:

  1. Hair is made up of a protein called keratin.
  2. Nails are made of a protein called keratin.
  3. Keratin is a fibrous protein that is the main structural component of hair, nails, feathers, hooves, and horns.
  4. Keratin is a strong, durable protein that gives strength and rigidity to hair, nails, and other body structures.
  5. Keratin is a protein that is also found in the outer layer of the skin, which helps to protect it from damage.
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