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.
Reflex. A reflex action, differently known as a reflex, is an involuntary and nearly instantaneous movement in response to a stimulus. Some people use the term reflex to mean a behavior that is mediated via the reflex arc; this does not apply to casual uses of the term 'reflex'.