<prompt> Tight junctions are seen in all exceptCardiac muscleRenal tubulesIntestineChoroid plexus  <response>: Tight junctions are seen along the apical margins of cells in epithelium such as the intestinal mucosa, the walls of the renal tubules, and the choroidal plexus.Ref: Textbook of physiology AK Jain 4th edition page no.9 