The phrase "small bruise" refers to a small, discolored area on the skin that occurs when blood vessels underneath get damaged, usually caused by an impact or injury. Full definition
Hemorrhages such as nose bleeds and small bruises on the mucous membranes or skin may appear. (lowchensaustralia.com)
As for bodily injuries, you may have suffered from smaller bruises and cuts to catastrophic injuries like broken bones, brain damage or paralysis. (fortworthpersonalinjuryfirm.com)
Acupuncture needles may cause small bruises every now and then, but one of the greatest benefits of acupuncture is that there are no serious side effects. (mindbodygreen.com)