natremia The presence of sodium ions in the blood. Derived terms . dysnatremia; hypernatremia; hyponatremia; natremic; Translations
A reflex arc is a nerve pathway in the body of humans and some animals that connects certain muscle groups to others, without involving the brain. These sorts of pathways primarily control involuntary movements in response to some sort of stimulus.
In a simple reflex arc, such as the knee jerk, a stimulus is detected by a ... A reflex arc is the neural pathway that mediates a reflex action. ... When a reflex arc consists of only two neurons (one sensory neuron and one motor ...Definition of Reflex-arc in the Medical Dictionary.n a simple reflex arc, such as the knee jerk, a stimulus is detected by a ... A reflex arc is the neural pathway that mediates a reflex action. ... When a reflex arc consists of only two neurons (one sensory neuron and one motor ...