The phrase "extracellular space" refers to the area outside of our cells in our body. It's the empty space in which cells are surrounded by a fluid called extracellular fluid. Full definition
The fluorescent dextran present inside TATS lumen is photo - bleached and the diffusion of unbleached dextran from extracellular space to TATS is monitored using confocal imaging. (lens.unifi.it)
Tau, she found, can be released by neurons into extracellular space, where it can be picked up by other neurons. (sciencedaily.com)
«Toxic Alzheimer's protein spreads through brain via extracellular space.» (sciencedaily.com)