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.
binauricular arc the arc across the top of the head from one auricular point to the other. reflex arc the circuit traveled by impulses producing a reflex action: receptor organ, afferent nerve, nerve center, efferent nerve, effector organ in a muscle; see also reflex.eflex arc. n. The route followed by nerve impulses to produce a reflex act, from the periphery through the afferent nerve to the nervous system, and thence through the efferent nerve to the effector organ.