SYNOPSIS. The establishment of Eimeria acervulina sporozoites in the duodenal glands of Lieberkühn of the chicken is described. Sporozoites were found to enter the tips of the villi and pass into the lamina propria, or core, of the villus. Within the lamina propria, sporozoites were engulfed by macrophages and taken to the glandular epithelium. Data are presented which indicate that macrophages serve as a defense against infection as well as a mode of transportation.
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David J. Doran (1966) studied this question.
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