A circular band of muscle where the esophagus is attached to the stomach. An operation to remove a portion of the esophagus. The x-ray pictures are taken after the patient drinks a solution that coats and outlines the walls of the esophagus. Also called a barium swallow. Same as volatile oils.
Oils evaporate at room temperature.
The due date or estimated calendar date when your baby will be born. Synthetic forms of estrogen are used in some cancer treatments and other therapies. It most often affects the hipbones and the bones of the upper arm and thigh. A grouping of foods by type to help people on special diets stay on the diet. Each group lists food in serving sizes.