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.
The Universal College of Learning defines reflex action as a rapid involuntary or automatic reaction to a specific situation or stimulus. Autonomic reflex actions are those that involve the autonomic nervous system, cardiac muscle, smooth muscle and glands, while somatic reflex actions involve the somatic nervous system and skeletal muscles. The impulses that produce a reflex action are transmitted within a nervous circuit called a reflex arc.