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.
Arc â part of the circumference (edge) of the circle. The measure of an arc is equal to the measure of. the central angle formed by its endponts. Arcs are named by their endpoints. The dashed arc to the. right would be called arc AB. or arc BA, the order of. the endpoints does not matter.