Goblet cells in the human trachea. Quantitative studies of normal tracheae.
D000368:Aged; D000704:Analysis of Variance; D002452:Cell Count; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009092:Mucous Membrane / Q000166:cytology; D009093:Mucus; D014132:Trachea / Q000166:cytology*