title: Letter: Aging in vertebrates: allometric considerations of spleen size and lifespan.
mesh_terms: D000375:Aging; D000818:Animals; D001835:Body Weight; D001921:Brain / Q000033:anatomy & histology; D008954:Models, Biological; D009929:Organ Size; D013045:Species Specificity; D013154:Spleen / Q000033:anatomy & histology*; D014714:Vertebrates