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. Author manuscript; available in PMC: 2014 Feb 1.
Published in final edited form as: Avian Pathol. 2013 Feb;42(1):60–71. doi: 10.1080/03079457.2012.759176

Figure 3.

Figure 3

Lectin binding of Sambucus nigra (SNA) for α2,6-linked SA receptors in the respiratory and intestinal tract of aquatic and terrestrial bird species. Respiratory tract: a – northern pintail (nasal turbinates), b – ring-billed gull (trachea), c – European starling (nasal turbinates). Intestinal tract: d – wood duck (ileum), e – laughing gull (small intestine), f – budgerigar (small intestine). Arrows: 1 – ciliated cells; 2 – goblet cells; 3 – mucous glands; 4 – enterocytes; 5 – crypts. Bar: 50 µm.