title: [Contribution to the macroscopic and microscopic anatomy of the digestive tract in the budgerigar (Melopsittacus undulatus)].
mesh_terms: D000818:Animals; D001502:Beak / Q000033:anatomy & histology*; D002988:Cloaca / Q000033:anatomy & histology; D004064:Digestive System / Q000033:anatomy & histology*; D004947:Esophagus / Q000033:anatomy & histology*; D005895:Gizzard, Avian / Q000033:anatomy & histology; D006652:Histological Techniques; D007422:Intestines / Q000033:anatomy & histology; D008099:Liver / Q000033:anatomy & histology; D010179:Pancreas / Q000033:anatomy & histology; D011531:Proventriculus / Q000033:anatomy & histology; D011563:Psittaciformes / Q000033:anatomy & histology*
vernacular_title: Beitrag zur makroskopischen und mikroskopischen Anatomie des Verdauungsapparates beim Wellensittich (Melopsittacus undulatus)