Musculoskeletal System Back

Development of the upper limb






1. Upper limb
2. Apical ectodermal ridge
3. Hand plate
4. Limb mesenchyme
5. Marginal vein
6. Nerve
7. Surface ectoderm
Technique: Paraffin section Staining: Hematoxylin-eosin Orientation: Transverse section Developmental age: 6 weeks Magnification (objective): x10