Table 3—

Comparison of species differences in carbohydrate content of Clara(C) and mucous (M) cells in tracheal epithelium

ParameterHumanMonkeyMouse
Abundance+ + ++ ++/-
Periodic acid Schiff+ (M)+ (M)+ (M)
±/- (C)
Alcian blue++ (M)+ (M)
- (C)
High iron diamine+ and - (M)+ and - (M)- (M)
And - (M)- (C)

  • +: positive abundance or staining, with the quantity of + shown representing the intensity; -: negative abundance or staining. Compiled from references [14, 18, 19].