Coral Springs, FL. Online Offers. Coral Springs, officially chartered July 10, 1963, is a city in Broward County, Florida, United States, approximately 20 miles (32 km) northwest of Fort Lauderdale. As of the 2010 United States Census, the city had a population of 121,096.
tight juncÂ·tion. An intercellular junction between epithelial cells in which the outer leaflets of lateral cell membranes fuse to form a variable number of parallel interweaving strands that greatly reduce transepithelial permeability to macromolecules, solutes, and water through the paracellular route.
Imagine a largely waterproof zipper connecting the sides of two different jackets. That zipper is like a tight junction (TJ), also called an occluding junction. A TJ creates a small zone that occludes the extracellular space (the space between cells). This is why tight junctions are also called zonula occludens.