Elizabeth Martin and Robert Hine. Latest Edition (7 ed.) Fully revised and updated, the sixth edition of this dictionary provides comprehensive coverage of biology, biophysics, and biochemistry, as well as key terms from medicine and palaeontology.
For example, if someone scratches a mole until it bleeds, the resulting lesion, a crust, is now a secondary skin lesion. The most common secondary skin lesions include: 1  crust: a crust, or a scab, is created when dried blood forms over a scratched and irritated skin lesion. 2  ulcer: typically caused by a bacterial infection or physical trauma. 3  scale: patches of skin cells that build up and then fall off the skin.
Instructions. Presoak the garment in cold water for 2 hours. The blood dissolves easily in cold water. Wash the garment in a cold wash cycle with mild detergent. Do not dry. Heat of any sort can cause the blood stain to cook and possibly make it irremovable. Check to see if the stain came out.If it did not, then create a paste to remove the stain. Mix 1 tbsp of meat tenderizer and 2 tsp of cold water.Mix them until a paste is formed. Spread the paste onto the garment with your fingers.o not dry. Heat of any sort can cause the blood stain to cook and possibly make it irremovable. Check to see if the stain came out. If it did not, then create a paste to remove the stain. Mix 1 tbsp of meat tenderizer and 2 tsp of cold water.