Bursa of FabriciusBursa, SynovialBursitisChickensInfectious bursal disease virusBirnaviridae InfectionsPoultry DiseasesShoulder Impingement SyndromeRotator CuffTrichostrongyloideaCloacaChick EmbryoAvian LeukosisAchilles TendonReoviridae InfectionsCalcaneusShoulder JointAcromionThymus GlandMarek DiseaseSynovial CystTurkeyAdnexa UteriGene Rearrangement, B-Lymphocyte, Light Chain