Respiratory system Back

Lungs - pseudoglandular stage





1. Bronchus
2. Blood vessel
3. Pleural cavity
4. Splanchnic mesoderm
5. Vertebral column
Technique: Paraffin section
Staining: Hematoxylin-eosin
Orientation: Longitudinal section
Developmental age: 7 weeks
Magnification (objective): x10