Objective To study the role of zymosan in and the effects of total saponin of Panax notoginseng (PNS) on the formation of foam cells originating from peritoneal macrophages.

Conclusion: Macrophages is the main source of IL-6 in mouse thymus, and it play a pivotal role in constituting thymic microenvironment.

Objective To know the source of macrophage in rheumatoid synovium.