title: "Biometabolische Modi" and heterochrony in the phylembryogenesis of the nasal apparatus of birds.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D001717:Birds / Q000033:anatomy & histology*; D009024:Morphogenesis; D009666:Nose / Q000033:anatomy & histology*; D012886:Skull / Q000033:anatomy & histology