lymphatic system physiology trait caripark 2010-05-17T04:20:50Z lymphoid system physiology trait Trait.ontology VT:0010040 Any measurable or observable characteristic related to the function of or processes in the system of lymphoid channels and tissues that drains extracellular fluid from the periphery via the thoracic duct to the blood. hemolymphoid system physiology trait circulatory system physiology trait