👉 Connectivity fluid, also known as synaptic fluid, is a specialized form of cerebrospinal fluid (CSF) that bathes the brain and spinal cord, facilitating communication between neurons. Unlike regular CSF, connectivity fluid is rich in proteins, growth factors, and other signaling molecules that play crucial roles in neural development, maintenance, and repair. It forms a dynamic environment that supports the formation and strengthening of synapses—the junctions where neurons communicate with each other. This fluid aids in the transport of nutrients and waste products, ensuring optimal neuronal function. Its unique composition and properties make it essential for cognitive processes, learning, and memory, as well as for the overall health and adaptability of the nervous system.