Figure 1 . Human myoglobin. 

 Beginning of crystallization 



Figure 2. Human myoglobin. 

 Crystals of myoglobin pre- 

 pared from normal human 

 skeletal muscles ( traumatic 

 accident) 



Figure 3. Human myoglobin. 

 Crystals of human myoglobin 

 prepared from limb ampu- 

 tated for Leo- Buerger's 

 disease 



Figure 4. Human myoglobin. 

 Crystals of human myoglobin 

 prepared from limb ampu- 

 tated for sarcoma 



