In a rare birth defect, a child is born without this organ and hence develops DiGeorge Syndrome. Removal of it has been used successfully to treat Morvan's Syndrome, which is 
In a rare birth defect, a child is born without this organ and hence develops DiGeorge Syndrome. Removal of it has been used successfully to treat Morvan's Syndrome, which is consequently suspected to be autoimmune in origin. Yongjun Liu identified the function of the Hassall's corpuscles found in the medullae of this gland. In some myasthenia gravis patients, tumors develop in it. It is an endodermic organ, and it atrophies markedly after puberty. For 10 points, identify this gland of the lymphatic system, responsible for the transformation of lymphocytes into its namesake T-cells.
In a rare birth defect, a child is born without this organ and hence develops DiGeorge Syndrome.
{thymus}