Macrophages adhered to round glass coverslips that had been implanted into the abdominal cavity of Notothenia coriiceps , collected from Admiralty Bay, King George Island, and removed and incubated in vitro for 4 h at 0° C at various intervals. The macrophages phagocytosed yeast Saccharomyces cerevisiae cells suspended in saline. Bi‐nuclear macrophages were first observed after 6 h. The formation of giant cells and their phago...