Figure 12b. Micrograph showing the absorptive cells having cilia (arrow) about 1 micron length. The cytoplasm contain mitochondria, free ribosomes, RER, absorptive vacuoles and electron dens granules The goblet cell destined with mucus globule and found embedded in between the absorptive cells.(normal tracheal cilia at 21 day old chickens)

From

Action Mechanism and Immunity Status of Broiler Chickens after Spray and Drinking Water Administration of Kanne-Brottrunk®

Raheel I.A., Orabi A., Saber El-Hanbaly, Hassan Shaheen

Journal of Applied & Environmental Microbiology. 2018, 6(3), 59-66 doi:10.12691/jaem-6-3-1