. Atlas of avian hematology. Veterinary hematology; Poultry -- Diseases. Sheath cells A r. Figure 343. A Part of an emerged down feather in which is diagramed the down-sheath cells that enclose the barbs and barbules of the down feather. B The sheath forms a simple squamous layer of keratinized dead cells. 178. 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, Alfred M. (Alfred Martin), 1900-; Jamroz, Casimir. Washingt

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. Atlas of avian hematology. Veterinary hematology; Poultry -- Diseases. Sheath cells A r. Figure 343. A Part of an emerged down feather in which is diagramed the down-sheath cells that enclose the barbs and barbules of the down feather. B The sheath forms a simple squamous layer of keratinized dead cells. 178. 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, Alfred M. (Alfred Martin), 1900-; Jamroz, Casimir. Washington, D. C. : U. S. Dept. of Agriculture

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Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, bookpublisherwashingtondcusdeptofagriculture