Cardiovascular system Back

Formation of the aorticopulmonary septum





1. Aorta
2. Aorticopulmonary septum
3. Pericardial cavity
4. Pulmonary artery
5. Right auricle
Technique: Paraffin section
Staining: Hematoxylin-eosin
Orientation: Transverse section
Developmental age: 7 weeks
Magnification (objective): x10