WHAT IS A PARONYCHIA. This is an infected ingrown nail. This is generally the result of an ingrown nail piercing the surrounding flesh, bacteria gets into the opening and it becomes infected.
Medical Definition of REFLEX ARC. : the complete nervous path that is involved in a reflex.eflex arc. noun. : the complete nervous path that is involved in a reflex.
In human nervous system: Reflex actions â¦a reflex is called the reflex arc. It consists of an afferent (or sensory) nerve, usually one or more interneurons within the central nervous system, and an efferent (motor, secretory, or secreto-motor) nerve. Read More