title: Lymphoid organs for peritoneal cavity immune response: milky spots.
abstract: Milky spots are located in the omentum of the peritoneal cavity and their classification as lymphoid organs has been debated. In this issue of Immunity, Rangel-Moreno et al. (2009) provide compelling data to consider them as unique secondary lymphoid organs.
authors.affiliation: Department of Molecular Cell Biology and Immunology, VUMC, van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands. r.mebius@vumc.nl
authors.forename: Reina E
authors.initials: RE
authors.lastname: Mebius
mesh_terms: D000818:Animals; D016175:B-Lymphocyte Subsets / Q000276:immunology* / Q000378:metabolism; D054382:Chemokine CXCL13 / Q000235:genetics / Q000276:immunology*; D008221:Lymphoid Tissue / Q000276:immunology* / Q000378:metabolism; D008233:Lymphotoxin-alpha / Q000235:genetics / Q000276:immunology*; D051379:Mice; D018345:Mice, Knockout; D009852:Omentum / Q000276:immunology* / Q000378:metabolism; D010529:Peritoneal Cavity
chemical_list: D054382:Chemokine CXCL13; D008233:Lymphotoxin-alpha