The crossword solution for the term TYPE OF TISSUE is SCAR. SCAR tissue is a type of connective tissue that forms when the body repairs itself after an injury. It is composed of collagen fibers and is usually thicker and less flexible than normal tissue. SCAR tissue can form in response to cuts, burns, surgery, or other types of trauma. It is also a common symptom of certain diseases, such as acne and chickenpox.