Musculoskeletal System Back

External genitalia and limbs




1. External genitalia
2. Genital swelling
3. Urethral folds
4. Urethral groove
5. Lower limbs
6. Apical ectodermal ridge
7. Mesenchyme
8. Surface ectoderm
Technique: Paraffin section
Staining: Hematoxylin-eosin Orientation: Transverse section Developmental age: 4 weeks Magnification (objective): x10