↑(en) Ennio Pannese, Neurocytology: Fine Structure of Neurons, Nerve Processes, and Neuroglial Cells, Springer, (ISBN9783319068565), p. 225.
↑(en) Francoise Alliot, Isabelle Godin et Bernard Pessac, « Microglia derive from progenitors, originating from the yolk sac, and which proliferate in the brain », Developmental Brain Research, vol. 117, no 2, , p. 145–152 (ISSN0165-3806, DOI10.1016/s0165-3806(99)00113-3, lire en ligne, consulté le ).