title: Transplantation specificity in echinoderms and lower chordates.
mesh_terms: D000483:Alleles; D000818:Animals; D002432:Cecum / Q000637:transplantation; D002816:Chordata, Nonvertebrate; D004447:Echinodermata; D005838:Genotype; D006066:Gonads / Q000637:transplantation; D006648:Histocompatibility; D008722:Methods; D010587:Phagocytosis; D011708:Pylorus / Q000637:transplantation; D013045:Species Specificity; D013194:Staining and Labeling; D014181:Transplantation Immunology; D014182:Transplantation, Autologous; D014183:Transplantation, Heterologous; D014184:Transplantation, Homologous