| GAIT: |
A particular pattern or style in which a person walks. |
| GALLBLADDER: |
A pear-shaped organ located under the liver that stores bile and then releases it into the small intestine. |
| GAMETE: |
A mature male or female germ cell usually possessing a haploid chromosome set, and capable of initiating formation of a new diploid individual by fusion with a gamete of the opposite sex. |
| GAMMA GLOBULIN: |
A protein found in the blood that helps fight infection. |
| GASTRIC: |
Pertaining to the stomach. |
| GASTRIC ATROPHY: |
A condition in which the stomach muscles shrink and become weak. It results in a lack of digestive juices. |
| GASTROINTESTINAL: |
Pertaining to stomach, small intestine, large intestine, colon, rectum and sometimes the liver, pancreas and gallbladder. |
| GASTROINTESTINAL TRACT: |
The digestive tract, where the body processes and uses food. |
| GASTROSTOMY: |
Surgical opening into the stomach from the outside to enable a feeding tube to be passed. |
| GENE: |
The biological units made of DNA that are passed from both parents to a child. Genes determine all of the child's characteristics--for example, hair, eye, and skin color, foot size, height--and whether the child will have an inherited disease. |
| GENE THERAPY: |
Treatment that alters genes (the basic units of heredity found in all cells in the body). In early studies of gene therapy for cancer, researchers are trying to improve the body's natural ability to fight the disease or to make the tumor more sensitive to other kinds of therapy. |
| GENETIC: |
Having to do with genes, structures found in every cell of the body. Each gene contains information that directs the activities of cells and controls the way an individual develops. |
| GENETIC CHANGE: |
An alteration in a section of a chromosome. |
| GENETIC ENGINEERING: |
Manufacture, alteration or repair of genetic material by synthetic means. |
| GENETIC MARKER: |
An identifiable substance that is associated with a normal or an abnormal gene. |
| GENETICS: |
The branch of biology that deals with heredity. |
| GINGIVAL HYPERPLASIA: |
Excessive proliferation of gum tissue. |
| GLAND: |
1. An organ that produces a hormone or other secretion.
2. Glands are groups of cells that make substances enabling body functions. "Glands" generally refer to secreting glands and lymph nodes. Secreting glands manufacture and release chemical substances such as hormones and enzymes. Lymph nodes play an important part in fighting infections. |
| GLAUCOMA: |
A disorder in the eye characterized by high pressure inside the eyeball. |
| GLOBULIN: |
A category of blood proteins. |
| GLOTTIS: |
The middle part of the larynx; the area where the vocal cords are located. |
| GLUTEN: |
A sticky substance found in wheat flour, indigestible by some people. |
| GLYCOGEN: |
Form of carbohydrate stored in the liver and muscles vital to human metabolism. |
| GONAD: |
A male reproductive gland. |
| GRAFT: |
To implant living tissue (skin, muscle, etc.) surgically. |
| GRAND MAL: |
A severe form of epileptic fit. |
| GRAVIDA: |
The number of pregnancies. Commonly see the notation G2P, for example, which means gravida 2 para 1 - two pregnancies with one live birth. |
| GREAT OMENTUM: |
The great, or gastrocolic, omentum forms, in most mammals, a great sac, which is attached to the stomach and transverse colon, is loaded with fat, and covers more or less of the intestines; the caul. |
| GYRI: |
Convulsions (wrinkles/crevices) of the surface of the brain. |