. Bulletin of the Department of Agriculture. Agriculture. K Further Studies on Nosema apis as Revealed by the Microscope. G, Nosema apis as seen in a stained smear preparation; H, a stained smear preparation showing within the groups how closely the cells are packed with parasites (note the nucleus of an epithelial cell below and to the right of the center); I, smear showing voung forms (note the paired appearance); J, por- tions of epithelial cells are shed into the lumen of the stomach, carrying with them the contained parasites, accounting for the groups in this photograph; K, cross se
. Bulletin of the Department of Agriculture. Agriculture. K Further Studies on Nosema apis as Revealed by the Microscope. G, Nosema apis as seen in a stained smear preparation; H, a stained smear preparation showing within the groups how closely the cells are packed with parasites (note the nucleus of an epithelial cell below and to the right of the center); I, smear showing voung forms (note the paired appearance); J, por- tions of epithelial cells are shed into the lumen of the stomach, carrying with them the contained parasites, accounting for the groups in this photograph; K, cross sections of Malpighian tubules highly magnified (the epithelial cells of the one to the left are not infected, some of those of the one above contain parasites, while all of those of the one to the right are heavily infected); L, tangen- tial section of stomach wall showing the three muscular lavers, the fiber of all of them being branched and striated. The inner and outer layers are made up of longitudinal fibers while the middle one consists of circular ones. (Original.). 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 United States. Dept. of Agriculture. [Washington, D. C. ?] : The Department : Supt. of Docs. , Govt. Print. Off.
Size: 1820px × 1373px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
