Medications

Gestational diabetes: See: Diabetes, gestational. Last Editorial Review: 4/27/2011 5:27:15 PMDiabetes, gestational: A form of diabetes mellitus that appears during pregnancy ( gestation) in a woman who previously did not have diabetes and usually go...

Gestational carrier - Medical

Gestational carrier: Also known as gestational surrogate. A woman who carries a pregnancy and gives birth to a child for another woman or couple. For a woman to serve as a gestational carrier, an embryo (created by the process of in vitro ferti...

Gestation period - Medical

Gestation period: The period of development of the young from the time of conception until birth. For humans the full gestation period is normally 9 months. The word "gestation" comes from the Latin "gestare" meaning "to carry or to bear." Last Ed...

Gestation - Medical

Gestation: Period of time from conception to birth.Last Editorial Review: 4/27/2011 5:27:15 PM...

Gestalt therapy - Medical

Gestalt therapy: A psychotherapeutic concept that stresses understanding mental processes as holistic entities (gestalts) rather than as discrete steps. Gestalt therapy often uses group therapy techniques to help patients gain this type of in...

Gesell Developmental Schedules - Medical

Gesell Developmental Schedules: A measure of child development devised by the American child psychologist and pediatrician Arnold Gesell (1880-1961) who founded the Clinic of Child Development at Yale in 1911 and directed it for many years. There he ...

Gertie F. Marx - Medical

Gertie F. Marx: See: Marx, Gertie F. Last Editorial Review: 1/29/2004 Marx, Gertie F.: Distinguished German-born American physician known as the "mother of obstetric anesthesia." She almost singlehandedly developed obstetric anesthesiology as a spe...

Gerstmann-Straussler-Scheinker syndrome - Medical

Gerstmann-Sträussler-Scheinker syndrome: A rare familial form of progressive dementia inherited in an autosomal dominant manner due to a mutant prion gene on chromosome 20pter-p12. Abbreviated GSS. Degeneration of the nervous system usually s...

Gerstmann-Straussler-Scheinker disease - Medical

Gerstmann-Sträussler-Scheinker disease: See: Gerstmann-Sträussler-Scheinker syndrome. Last Editorial Review: 1/3/2004 Gerstmann-Sträussler-Scheinker syndrome: A rare familial form of progressive dementia inherited in an autosomal...

Gerstmann-Straussler syndrome - Medical

Gerstmann-Sträussler syndrome: See: Gerstmann-Sträussler-Scheinker syndrome. Last Editorial Review: 1/3/2004 Gerstmann-Sträussler-Scheinker syndrome: A rare familial form of progressive dementia inherited in an autosomal domina...

Gerstmann-Straussler disease - Medical

Gerstmann-Sträussler disease: See: Gerstmann-Sträussler-Scheinker syndrome. Last Editorial Review: 1/3/2004 Gerstmann-Sträussler-Scheinker syndrome: A rare familial form of progressive dementia inherited in an autosomal dominan...

Germline mutation - Medical

Germline mutation: A heritable change in the DNA that occurred in a germ cell (a cell destined to become an egg or in the sperm) or the zygote (the conceptus) at the single-cell stage. When transmitted to a child, a germline mutation is incorporate...

Germinoma - Medical

Germinoma: A type of germ cell tumor. Last Editorial Review: 4/27/2011 5:27:15 PM...

Germanium - Medical

Germanium: A nonessential trace element that has caused nephrotoxicity (kidney injury) and death when used chronically by humans, even at recommended levels of use. The U.S. Food & Drug Administration (the FDA) warns that products containing ger...

German measles vaccine - Medical

German measles vaccine: A vaccine designed to prevent rubella, or German measles. German measles was once seen merely as a child's unpleasant rite of passage. It was thought to be a mild malady that was usually over and done in three days. So what...

German measles immunization - Medical

German measles immunization: The standard MMR vaccine is given to prevent measles, mumps and rubella ( German measles). The MMR vaccine is now given in two dosages. The first should be given at 12-15 months of age. The second vaccination shoul...

German measles (historical note) - Medical

German measles (historical note): In 1941 N. M. Gregg, an Australian ophthalmologist, recognized that infection of the mother with German measles (rubella) during early pregnancy could malform an embryo and cause a characteristic syndrome of congen...

German disease - Medical

German disease: Syphilis. Depending upon someone's thoughts as to where the disease came from, syphilis was also known as the French, Italian, Spanish and Polish disease.Last Editorial Review: 12/15/2003 Syphilis: A sexually transmitted disease caus...

Germ line - Medical

Germ line: 1. The sequence of cells which develop into eggs and sperm. 2. Inherited material that comes from the eggs or sperm and is passed on to offspring. Last Editorial Review: 7/17/2002...

Germ cell tumor - Medical

Germ cell tumor: A tumor that arise from a germ cell. These tumors may arise within the gonads -- the ovary and testis. Most testicular tumors are, in fact, germ cell tumors. Germ cell tumors also occur in sites outside the gonads, reflecting the fa...

Germ cell - Medical

Germ cell: The eggs and sperm are the germ cells: the reproductive cells. Each mature germ cell is haploid in that it has a single set of 23 chromosomes containing half the usual amount of DNA and half the usual number of genes. Except for the eggs ...

Germ - Medical

Germ: 1. A cell or group of cells (called a primordium) capable of developing into an organ, a part or an organism in its entirety. Eggs and sperm are germ cells. 2. A pathogenic a microorganism. A microbe capable of causing disease. The germ the...

Geriatrics - Medical

Geriatrics: The branch of medicine concerned with the diagnosis, treatment and prevention of disease in older people and the problems specific to aging. From the Greek "geron" meaning "old man" + "iatreia" meaning "the treatment of disease.". ...

Geriatric medicine - Medical

Geriatric medicine: The branch of medicine concerned with the diagnosis, treatment and prevention of disease in older people and the problems specific to aging. Also called geriatrics. From the Greek "geron" meaning "old man" + "iatreia" meaning "t...

GERD surgery (fundoplication) - Medical

GERD surgery (fundoplication): A surgical technique that strengthens the barrier to acid reflux when the lower esophageal sphincter does not work normally and there is gastro-esophageal reflux. Fundoplication has been the standard surgical method fo...

GERD - Medical

GERD: Stands for Gastroesophageal Reflux Disease, a disorder in which there is recurrent return of stomach contents back up into the esophagus, frequently causing heartburn, a symptom of irritation of the esophagus by stomach acid. This can lead t...

Gerascophobia - Medical

Gerascophobia: An abnormal and persistent fear of growing old. Sufferers of this fear experience undue anxiety about aging even though they may be in good health--physically, economically and otherwise. They may worry about the loss of their lo...

Gephyrophobia - Medical

Gephyrophobia: An abnormal and persistent fear of crossing bridges. Sufferers of this phobia experience undue anxiety even though they realize their fear is irrational. Their fear may result partly from the fear of enclosure (claustrophobia) or the f...

George W. Thorn - Medical

George W. Thorn: See: Thorn, George W..Last Editorial Review: 7/19/2004 Thorn, George W.: American endocrinologist (1906-2004) who was a pioneer in the use of cortisone for treating Addison's disease; a member of the medical team responsible for the...

Geography, medical - Medical

Geography, medical: See: Medical geography.Last Editorial Review: 10/17/2004 Medical geography: An important "new" area of health research that is a hybrid between geography and medicine dealing with the geographic aspects of health and healthcare. ...