A macrophage resident in the peritoneum under non-inflammatory conditions. Markers include F4/80-high, CD11b-high, CD68-positive, SIGNR1-positive, CD115-high, MHC-II-negative, and Dectin-1-positive. [ http://www.ncbi.nlm.nih.gov/pubmed/19201820 http://www.ncbi.nlm.nih.gov/pubmed/15771589 MESH:D017737 ]