禽博德特氏菌病，气管，雏禽，感染后 7 天
Scanning electron micrograph of a trachea from a poult 7 days after infection, showing mucus and Bordetella avium organisms on the luminal surface. The tracheal lining is completely devoid of ciliated columnar epithelial cells.
Courtesy of Dr. Mark W. Jackwood.
在这些主题中
