Head and neck Back

Cerebral ganglia and pharyngeal arches





1. First pharyngeal arch
2. First pharyngeal pouch
3. Glossopharyngeal ganglion
4. Glossopharyngeal nerve
5. Otic vesicle
6. Second pharyngeal arch
7. Vagal ganglion
8. Vagus
Technique: Paraffin section
Staining: Hematoxylin-eosin
Orientation: Longitudinal section
Developmental age: 5 weeks
Magnification (objective): x10