Assertion: immune system's cell | /r/HasProperty | engulfed the pathogen
Facets:
value: at the site of infection
type: LOCATION
Source sentences:
text: Once dendritic cells have engulfed the pathogen at the site of infection, they leave the tissue and enter the lymphatic system to travel to the lymph nodes to present the pathogen as an antigen to the lymphocytes (white blood cells of T-cells and B-cells),” for recognition, Adams explained.