title: The immune system of cartilaginous fish.
authors.affiliation: Department of Microbiology and Immunology, University of Maryland School of Medicine, Baltimore 21201, USA.
authors.forename: M F
authors.initials: MF
authors.lastname: Flajnik
authors.forename: L L
authors.initials: LL
authors.lastname: Rumfelt
mesh_terms: D000818:Animals; D005075:Biological Evolution; D005399:Fishes / Q000235:genetics / Q000276:immunology*; D005803:Genes, Immunoglobulin; D007132:Immunoglobulin Isotypes / Q000235:genetics; D008221:Lymphoid Tissue / Q000276:immunology; D013601:T-Lymphocytes / Q000276:immunology
chemical_list: D007132:Immunoglobulin Isotypes