Tensile strength of wound aftr laparoscopic cholecystectomy in a 30yr old woman depends upon: (A) Replacement of type 3collagen, (B) Extensive cross linking of tropocollagen, (C) Macrophage activity, (D) Granulation tissue
Answer is B. ref Robbins, 8/e p105 -106 Collagen is a ubiquitous protein with remarkable mechanical propeies. It is highly elastic, shows large during tropocollagen. The molecular component of a collagen fibril, consisting of three polypeptide chains coiled around each other.