THE LOCATION OF ANTIGENIC SITES ON THE SURFACE OF THE NEMATODE PARASITE STRONGYLOIDES RATTI REACTIVE TO ANTIBODY‐DIRECTED CELLULAR CYTOTOXICITY FROM BOTH MACROPHAGES AND EOSINOPHILS FROM THE NATURAL HOST

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Abstract
Heat-treated and untreated sera from rats immune to Strongyloides ratti are capable of arming both immune and non-immune macrophages and eosinophils in vitro. These cells are capable of killing larvae of the parasite. Electron microscopy has indicated multi-point attachment of the cells to the epicuticular transverse grooves of the larvae within 4 and 24 h of incubation at 37°.