This protein is involved in neurite outgrowth and cell migration in hippocampal explants.It has three EGF-like domains, one fibrinogen C-terminal domain and nine fibronectin type III domains.Tenascins are extracellular matrix proteins present during the development of organisms as well as in pathological conditions.Tenascin-W, the fourth and last member of the tenascin family remains the least well-characterized one.