TY - JOUR AU - Leclerc, Michel PY - 2012 TI - Cell-Mediated Immune Responses in the Sea-Star Asterias rubens (Echinoderm) JF - American Journal of Immunology VL - 8 IS - 4 DO - 10.3844/ajisp.2012.191.195 UR - https://thescipub.com/abstract/ajisp.2012.191.195 AB - Cell-mediated immune responses occur in sea star system. In Asterias rubens it is said that B sea star lymphocytes and T sea star lymphocytes exist in the axial organ which can be considered as an ancestral lymphoid organ. In the same manner the origin of lymphocytes can be found in Invertebrates such as Echinodermal.