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The digestive system functions to move material through the GI tract via peristalsis, break down that material via digestion, absorb nutrients for use throughout the body, and remove waste from the body via defecation. [3] Physicians who specialize in the medical specialty of gastroenterology are called gastroenterologists or sometimes GI doctors.
The gastrointestinal tract (GI tract, digestive tract, alimentary canal) is the tract or passageway of the digestive system that leads from the mouth to the anus. The GI tract contains all the major organs of the digestive system, in humans and other animals, including the esophagus , stomach , and intestines .
3D medical illustration explaining the oral digestive system. The mouth is the first part of the upper gastrointestinal tract and is equipped with several structures that begin the first processes of digestion. [3] These include salivary glands, teeth and the tongue. The mouth consists of two regions; the vestibule and the oral cavity proper.
The term geriatrics comes from the Greek γέρων geron meaning "old man", and ιατρός iatros meaning "healer". However, geriatrics is sometimes called medical gerontology. Gonad – A gonad, sex gland, or reproductive gland [193] is a mixed gland that produces the gametes (sex cells) and sex hormones of an organism.
GI Gastrointestinal: GIB Gastrointestinal bleeding: GN Glossopharyngeal neuralgia: GORD Gastro-oesophageal reflux disease: GSS disease Gerstmann–Sträussler–Scheinker disease: GT/LD Gifted and learning disabled: GVHD Graft-versus-host disease: GWD Guinea worm disease
Second, medical roots generally go together according to language, i.e., Greek prefixes occur with Greek suffixes and Latin prefixes with Latin suffixes. Although international scientific vocabulary is not stringent about segregating combining forms of different languages, it is advisable when coining new words not to mix different lingual roots.
Pronunciation follows convention outside the medical field, in which acronyms are generally pronounced as if they were a word (JAMA, SIDS), initialisms are generally pronounced as individual letters (DNA, SSRI), and abbreviations generally use the expansion (soln. = "solution", sup. = "superior").
Comprehensive list of medical abbreviations starting with the letter G.