Germ cell tumor
Germ cell tumor: A tumor that arises from a germ cell. A germ cell tumor may arise within the gonads (in the ovary or testis). Most testicular tumors, in fact, are germ cell tumors. Germ cell tumors also may arise in extragonadal sites, reflecting the fact that germ cells travel to diverse areas of the body, such as the chest, abdomen, and brain.
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- Germ line
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.
- German disease
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.
- German measles (historical note)
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 congenital malformations. The first feature Dr. Greeg noticed was cataracts. Gregg published his pioneering observations in 1942. Rapid progress in […]
- German measles vaccine
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? Then an outbreak of rubella began in 1964. It lasted two […]
- German measles immunization
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 should be given at 4-6 years. Most children should receive MMR vaccinations. Exceptions may include children […]