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.
If you use ointment, make sure you spread it evenly and donât leave big gobs of it on the wound. Excess ointment on the scab is just gonna soften your scab and slow heal time. The ointment is targeting any bacteria on the outside of your scab; your body takes care of the inside stuff. Also make sure you let the scab dry each time you wash it or treat it. Scabs need to be dry to work properly.