Dense irregular connective tissue contains ECM fibers arranged into irregular pattern and are prominently found in the dermis of the skin and the lamina propria of the gastrointestinal tract. This video offers an easily interpretable slide of dense irregular connective tissue and to the point explanation of it. Timeline: 00:00 Introduction 00:04 distinguishing features of Dense irregular connective tissue. 01:04 location of Dense irregular connective tissue.