abnormal lymph node morphology abnormal lymph gland morphology MPheno.ontology MP:0005024 lymph node dysplasia abnormal lymph node structure MP:0002339 any structural anomaly of the oval or bean shaped bodies located along the lymphatic system that consist of densely packed lymphocytes, lymph fluid and connective tissue, and is the site where acquired immune responses are launched MP:0000699 lymph node abnormalities abnormal immune system organ morphology