Milady Esthetics State Board Complete Practice Test 2025

Collagen is produced by fibroblasts, which are specialized cells found in connective tissue. These cells play a crucial role in the synthesis of collagen and other extracellular matrix components, providing structure and support to tissues and organs throughout the body. As the most abundant protein in the extracellular matrix, collagen is vital for skin elasticity and firmness.

Other cell types mentioned, such as keratinocytes, melanocytes, and adipocytes, have different functions. Keratinocytes primarily produce keratin, a key structural protein in the skin. Melanocytes are responsible for producing melanin, the pigment that gives skin its color and protects against UV radiation. Adipocytes, or fat cells, store energy in the form of fat and have a role in insulation and cushioning. Understanding the specific roles of these cells helps in grasping how various tissues function in the body and underscores the importance of fibroblasts in maintaining healthy skin integrity.