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:
Rand Paul filibuster ranks among Senate's longest. After nearly 13 hours on the Senate floor, Sen. Rand Paul, R-Ky., ended his filibuster blocking Senate confirmation of John Brennan, President Obama's pick for director of the CIA. Story Highlights. After nearly 13 hours of talking, Sen. Rand Paul's filibuster is one for the history books. The Kentucky Republican comes in at No. 9 on a draft list of longest Senate speeches kept by the historian's office, clocking in at 12 hours and 52 minutes.