. Atlas of avian hematology. Veterinary hematology; Poultry -- Diseases. 100 MONOCYTES cell an'Li. AREA m p'^ Figure —Frequency dislriliiition curves of cell area and nuclear area foi' .300 nionocyles cliosen at random. same usefulness for the agranulocytes that the Arneth counts do for the granulocytes. Mainland et al. (1935) studied statistically the significance of lymphocyte size in the human species and concluded that cell size was a uni- modal curve, but with skewness in most cases, and tliat a small and a large lymphocyte did not exist as classes. From their data, there was no indi
. Atlas of avian hematology. Veterinary hematology; Poultry -- Diseases. 100 MONOCYTES cell an'Li. AREA m p'^ Figure —Frequency dislriliiition curves of cell area and nuclear area foi' .300 nionocyles cliosen at random. same usefulness for the agranulocytes that the Arneth counts do for the granulocytes. Mainland et al. (1935) studied statistically the significance of lymphocyte size in the human species and concluded that cell size was a uni- modal curve, but with skewness in most cases, and tliat a small and a large lymphocyte did not exist as classes. From their data, there was no indication that age, sex, or state of health were factors influencing the size of lymphocytes in man. These opinions on size are in agreement with those of Magath and Higgins (1934), who measured the diameters of lymphocytes from each of eight ducks and concluded that they all I (('long to one series with a size range from to M and that all attempts to classify them into small, medium, and large were futile. Cul- len (1903) finds that monocyte diameters range from to ^; l)olIi of these values are below the average given in table 4. Magath and Hig- gins found the average to be Jietween 11 and Cell shape.—The variety of shapes exhil)ited by the monocyte can be appreciated best by glanc- ing over figures 125-138 and the cells outlined in figure 151. In general, the monocyte has a round shape. Occasionally there may be small bleb projections such as seen in figures 126, 127, and 138. Whether they serve the same function in monocytes that they are said to sei-ve in lym- piiocytes, namely, contributing globulins to the plasma, is not known. There is another type of cytosomal protrusion that occurs rather frequently. It is a hyaline 67. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Lucas, Alf
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