8.6 POJA-L406
Title: Pseudoglandular period of developing lung (1) Description: Stain trichrome Goldner, human embryo. Cross-sectioned future bronchial tubes (1) of varying sizes. The surrounding mesenchyme becomes more condensed (↓) around the epithelium and in between numerous small blood vessels (*) are present. The future visceral pleura (2) and the pleural cavity (X) filled with red blood cells (3) are indicated (artifactual due to preparation procedures). Keywords/Mesh: respiratory tract, lung development, embryo, visceral pleura, pleural cavity, pseudoglandular period, bronchial tube, blood vessel, lymph vessel, mesenchyme, histology, embryology, POJA collection |
8.6 POJA-L407
Title: Pseudoglandular period of developing lung (2) Description: Stain trichrome Goldner, human embryo. Cross-sectioned future bronchial tubes (1) of varying sizes with apical nuclei and light-stained basal parts ( glycogen). The surrounding mesenchyme becomes condensed (↓) around the epithelium and in between a blood vessel (*) is present. |
8.6 POJA-L408
Title: Pseudoglandular period of developing lung (3) Description: Stain trichrome Goldner, human embryo. Cross-sectioned future bronchial tubes (1). Note apical position of the nuclei with glycogen in basal parts . Condensed mesenchyme(↓) around the epithelium and in the neighbourhood small blood vessels with young erythrocytes (*). At (2) a dilated lymph vessel with valves. |