oksennusrefleksin
Oksennusrefleksi, also known as the gag reflex, is an involuntary reflex action that helps prevent foreign matter from entering the airway and stomach. It is triggered by stimulation of the gag reflex arc, which involves sensory nerves in the back of the throat and motor nerves that control the muscles of the pharynx and diaphragm. When the gag reflex is activated, the soft palate and uvula elevate, the pharynx constricts, and the diaphragm and abdominal muscles contract, leading to forceful expulsion of stomach contents.
The gag reflex is an important protective mechanism, but it can sometimes be overactive, leading to nausea
While the gag reflex is primarily a protective mechanism, it can also be intentionally stimulated in certain