On October 3 , 2011 , the Nobel Committee for Physiology or Medicine announced that he had received one-half of the Nobel Prize in Physiology or Medicine , for `` his discovery of the dendritic cell and its role in adaptive immunity '' .
On October 3 , 2011 , the Nobel Committee announced that Steinman had received one-half of the Nobel Prize in Physiology or Medicine , for `` his discovery of the dendritic cell and its role in adaptive immunity '' .