<prompt> The following cell types does not paicipate in repair after brain infarctionMicrogliaAstrocytesFibroblastsEndothelium  <response>: The greatest factor in functional recovery after brain injury comes from the brains ability to learn, called neuroplasticity. ... Recent studies have found collagen is extensively distributed throughout the brain and may be essential in protecting the brain against degeneration such as that in Alzheimers. Fibroblast do not play a role Refer robbins 9e p774 