Medical and surgical reports . Fig. 4.— Phagocyte with one red cell, show- Fig. 5.—Phagocyte with two red cells, show- ing polymorphous nucleus. Wood stain; X ing neutrophil granulation. (Jenner stain:1,000) X 1,000.). Fig. 6.—Phagocyte with four red cells. Fig. 7.—Phagocyte distended with red cells, (Jenner stain; X 1,000.) too closely packed to be counted. (Jenner stain; X 1,000.) PHAGOCYTOSIS AFTER TRANSFUSION 181 More recently, Barratt11 and Keith12 studied the same phenomenonin vitro, and demonstrated the same substance, which they regardedas a hemopsonin, in inactivated or diluted hemoly
Medical and surgical reports . Fig. 4.— Phagocyte with one red cell, show- Fig. 5.—Phagocyte with two red cells, show- ing polymorphous nucleus. Wood stain; X ing neutrophil granulation. (Jenner stain:1,000) X 1,000.). Fig. 6.—Phagocyte with four red cells. Fig. 7.—Phagocyte distended with red cells, (Jenner stain; X 1,000.) too closely packed to be counted. (Jenner stain; X 1,000.) PHAGOCYTOSIS AFTER TRANSFUSION 181 More recently, Barratt11 and Keith12 studied the same phenomenonin vitro, and demonstrated the same substance, which they regardedas a hemopsonin, in inactivated or diluted hemolytic serum. Theyfound this body more sensitive to heat than the hemolytic ambo-ceptor, and also found that it was quantitatively independent of thehemolysins or agglutinins and concluded that it was a distinct sub-stance. Neufeld and Topfer,13 working independently, arrived atsimilar conclusions. Hektoen14 has investigated the presence of iso-hemopsonins in human serums. He found them in a number ofconditions, especially typhoid fever and scarlet fever; but not con-stantly in any condition; and it seems unlikely that they have anyrelation to disease. They occurred independently of agglutinins orhemolysins. D
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