A fibroblast is a type of cell that synthesizes the extracellular matrix and collagen, the structural framework (stroma) for animal tissues, and plays a critical role in wound healing.Fibroblasts are the most common cells of connective tissue in animals.ibroblasts and fibrocytes are two states of the same cells, the former being the activated state, the latter the less active state, concerned with maintenance and tissue metabolism.
Longest-serving Representative to serve in the House: With more than 59 years of service, Representative John Dingell, Jr., of Michigan, holds the record for longest consecutive service. Longest-serving Speaker of the House: Sam Rayburn of Texas served as Speaker for a total of 17 years, two months, and two days. Oldest person recorded to have served in the House:
Bernard Sanders is an American politician serving as the junior United States Senator from Vermont since 2007; he is the longest-serving independent in U.S. congressional history. Since his election to the House of Representatives in 1990, he has caucused with the Democratic Party, which has entitled him to congressional committee assignments and at times given Democrats a majority. A self-described democratic socialist and a New Deal-era American progressive, Sanders is pro-labor and emphasizes