Category: O

A surgical operation to remove part of the oesophagus.  

Varicose veins in the oesophagus. Dilated veins found within the lower esophageal walls and occasionally in the upper section of the stomach. Oesophageal varices emerge as a result of portal hypertension, which involves elevated blood pressure in the portal vein, often attributed to liver disease. As blood flows from the intestines to the liver via…

The opening in the diaphragm through which the oesophagus passes.  

Referring to the oesophagus.  

Referring to oedema.  

The study of teeth and associated structures, and their disorders. Study of the anatomy and physiology of teeth and the surrounding structures in the mouth.  

A projecting part of a vertebra, shaped like a tooth. A toothlike formation on the second vertebra upon which the head rotates. A toothlike process extending upward from the axis and about which the atlas rotates.  

Similar to a tooth, especially in shape. The odontoid, a peg-shaped projection found on the second cervical vertebra (one of the neck’s vertebral bones), serves as the support for the first cervical vertebra. In cases of judicial hanging, the odontoid becomes displaced, exerting pressure on the spinal cord, which leads to the fatal outcome.  

Inflammation of the pulpy interior of a tooth.  

Measurement of the pressure inside the eyeball.