Sense organs Back

External middle and inner ear




1. Auditory ossicles
2. Auricle
3. Cartilaginous otic capsula
4. Cochlea
5. External auditory meatus
6. Lateral semicircular canal
7. Medulla oblongata
8. Spiral ganglion
9. Utricle
Technique: Paraffin section
Staining: Hematoxylin-eosin
Orientation: Transverse section
Developmental age: 8 weeks
Magnification (objective): x 10