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Author Archives: John Libonati

Author Information: John Libonati, SW Florida Publisher, Glutenfreeworks.com & The Gluten Free Works Treatment Guide.

Gilbert Syndrome: definition

A buildup of bilirubin in the blood caused by the lack of a liver enzyme needed to break it down. See bilirubin.

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Giardiasis: definition

An infection of the parasite Giardia lamblia caused by spoiled food or unclean water. It can cause diarrhea. See gastroenteritis.

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GERD: definition

See gastroesophageal reflux disease.

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Genotype: definition

The genetic identity of an individual that does not show as outward characteristics.

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Genome: definition

All the DNA contained in an organism or a cell, which includes both the chromosomes within the nucleus and the DNA in mitochondria.

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Genetic Screening: definition

Testing a population group to identify a subset of individuals at high risk for having or transmitting a specific genetic disorder.38

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Genetic Marker: definition

A segment of DNA with an identifiable physical location on a chromosome and whose inheritance can be followed. A marker can be a gene, or it can be some section of DNA with no known function. Because DNA segments that ...

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Genes: definition

The functional and physical unit of heredity passed from parent to offspring. Genes are pieces of DNA, and most genes contain the information for making a specific protein.

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Gastrostomy: definition

An artificial opening from the stomach to a hole (stoma) in the abdomen where a feeding tube is inserted. See enteral nutrition.

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Gastroparesis: definition

Nerve or muscle damage in the stomach that causes slow emptying, vomiting, nausea, or bloating. Also called delayed gastric emptying.

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Gastrointestinal Tract (GI Tract): definition

The large, muscular tube that extends from the mouth to the anus, where the movement of muscles, along with the release of hormones and enzymes, allows for the digestion of food. Also called the alimentary canal or digestive tract.

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Gastrointestinal (GI): definition

Related to the gastrointestinal tract.

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Gastroesophageal Reflux Disease (Gerd): definition

A condition in which stomach contents flow back up into the esophagus. GERD happens when the muscle between the esophagus and the stomach (the lower esophageal sphincter) is weak or relaxes when it should not. It may cause esophagitis. Also ...

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Gastroenterology: definition

The field of medicine focusing on the function and disorders of the digestive system.

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Gastroenterologist: definition

A doctor who specializes in digestive diseases.

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