Definition: In mathematical notation, a "zonulae" is typically denoted by the symbol "Z". This term refers to the small, round-shaped structures that are often found within a cell or in a tissue. These zones of cells can have different functions and structures, depending on their size and position within the body. For example, the zonulae of a neuron are known as dendrites, which are located at the ends of axons. They play an important role in transmitting signals between