“IMMUNOLOGICAL MECHANISMS IN REGENERATIVE MEDICINE: A LESSON FROM THE HUMAN PLACENTA: O. Parolini1,2 | 1Department of Life Science and Public Health, Università Cattolica del Sacro Cuore, Rome, Italy; 2Fondazione IRCCS Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy” (2025) European Journal of Histochemistry, 69(s2). doi:10.4081/ejh.2025.4266.