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.
To spot treat a dried blood stain on clothing: 1  Scrape any solid dried blood from the garment. 2  Rinse with cold water. 3  Check the care instructions to determine if bleach can/can't be used.4  If bleach can't be used, do not proceed further, since clothing finishes can be destroyed or discolored by oxygen bleach.o soak dried blood stains out of washable fabrics: 1  Scrape any solid dried blood from the fabric. 2  Rinse with cold water. 3  Check the care instructions to determine if bleach can/can't be used.