<i >Bordetella avium</i>, trachea, poult, 7 days after infection

Bordetella avium, trachea, poult, 7 days after infection

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.