A bolus
Orogastric
eructation
Regurgitation or vomiting is the return of solids and fluids from the stomach back to the mouth.
Belching is called eructation . Borborygmus is your tummy rumbling.The medical term for burping and belching is "eructation". It means a voluntary or involuntary release of air from the stomach or esophagus through the mouth.
Stoma is the medical term for mouth or opening.
Stoma- is the medical terminology combining form meaning mouth. It can be found in words like stomatitis (inflammation of the mouth) or xerostomia (dry mouth).
stomatitis
Stomatalgia is the medical term meaning mouth pain.
Oral means pertaining to the mouth.
Palatitis
Muscle Tissue does jobs such as moving food from our mouth to our stomach.Source: my science class xP
Extraoral is the medical term meaning outside the mouth.