Glossary G

Gargantua refers to a person of great size or stature and of voracious physical or intellectual appetites.

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- GAS (General adaptation syndrome) : General adaptation syndrome (GAS) is defined as Seyle's model of the body's reaction to stressful situations, it include the following: a. Alarm - the body prepares for action ; increased arousal b. Resistance - Attempts made to cope with stressor c. Exhaustion - Body can no longer resist, physiological breakdown begins

Gas Chromatography/Mass spectrometry analysis refers to a means of analyzing urine samples for the presence of drugs in which the urine sample is vaporized and then bombarded with electrons.

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Gases is one of the categories of neurotransmitters, which include nitric oxide and possibly others

Gaster is defined as the central, fleshy, contractile portion of the muscle that generally increases in diameter as the muscle contracts.

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Gastric juices refer to stomach secretions that aid in digestion.

Gastrointestinal Tract (GI) refers to the entire span from the mouth to anus.

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Gate control theory refers to a theory of pain holding that structures in the spinal cord act as a gate for sensory input that is interpreted as pain. This theory proposes that pain messages pass through neural "gates" in the spinal cord. Moreover, Gate control theory is a a model of pain which proposes that key processes in the experience of pain take place in the dorsal horn substantia gelatinosa of the spinal cord and are influenced by the brain.