What is the role of fibroblasts in connective tissue?

• A. Secrete matrix proteins
• B. Conduct electrical impulses
• C. Facilitate absorption
• D. Connect tissue structures

Answer: (A)

Fibroblasts play a crucial role in connective tissue primarily by secreting matrix proteins, which contribute to the formation and maintenance of the extracellular matrix (ECM). This ECM provides structural support to tissues and organs, and is composed of various proteins, including collagen and elastin, that give strength, elasticity, and flexibility to the connective tissues.

The secretion of matrix proteins by fibroblasts is vital for tissue repair and regeneration, ensuring that connective tissues can respond to injury and maintain their integrity. Unlike other cell types that have distinct functions, such as neurons conducting electrical impulses or epithelial cells facilitating absorption, fibroblasts are specifically tailored to synthesize and regulate the ECM, making them foundational components in the architecture of connective tissue.