What Is a Paronychia (Nail Infection)? An infection that develops along the edge of the fingernail or toenail is called a paronychia (pear-ah-NIK-ee-ah). It is the most common hand infection and, if left untreated, can progress to a more severe infection of the entire finger or toe.
reflex action. the involuntary functioning or movement of any organ or body part in response to a particular stimulus. The function or action occurs immediately, without the involvement of the will or consciousness. reflex action.
2. countable noun. A reflex or a reflex action is a normal, uncontrollable reaction of your body to something that you feel, see, or experience. ...tests for reflexes, like tapping the knee or the heel with a rubber hammer. ...the stress hormone adrenaline, released by reflex action from the adrenal glands. 3. plural noun.