An involuntary contraction of the muscles of the soft palate or pharynx that results in retching.
A surgical device for holding the mouth open.
To feel like vomiting; to retch. N. object used to hold the mouth open during surgery or to prevent swallowing of the tongue during a seizure (e.g., in epilepsy).
An instrument that is placed between a patient’s teeth to keep his mouth open.
A device that, when placed between a person’s teeth, keeps the mouth open.
A device for keeping the jaws open during surgery.
A device designed for keeping the mouth wide open.
To gag or attempt to vomit.