gm (gram)


The abbreviation gm stands for gram, a unit of measurement of weight and mass in the metric system. In weight, a gram is equal to a thousandth of a kilogram. In mass, a gram is equal to a thousandth of a liter (one cubic centimeter) of water at 4 degrees centigrade.

The word “gram” comes from the Late Latin “gramma” meaning a small weight via the French “gramme.” The symbol for gram is g.

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    A genetic lipid storage disorder that is similar in certain respects to Hurler syndrome and Tay-Sachs disease but which affects both the brain and the viscera (the internal organs). GM1 gangliosidosis causes skeletal deformities and exerts severe effects on the brain and internal organs. Death usually occurs by the age of 2. GM1 gangliosidosis is […]

  • GM2-gangliosidosis, B variant

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  • GM2-gangliosidosis, type 1

    This disorder known as Tay-Sachs disease (TSD) is concisely defined by OMIM (Online Mendelian Inheritance in Man) as “an autosomal recessive, progressive neurodegenerative disorder, which in the classic infantile form, is usually fatal by age 2 or 3 years, results from deficiency of the enzyme hexosaminidase A. ” “Autosomal” points to the gene for TSD […]

  • Gnashing

    Grinding the teeth. More formally called “bruxism.” Gnashing, or bruxism, is due to clenching of the teeth other than in chewing and is associated with forceful lateral or protrusive jaw movements. This results in grinding or rubbing the teeth together. Gnashing usually occurs during sleep. It is sometimes so excessive that it damages the occlusal […]

  • Gnathostomiasis

    A disease due to the migration of an immature roundworm called Gnathostoma. Migration just under the skin causes migratory, painful, itchy swellings. Migration to other tissues can result in cough, blood in the urine, eye involvement and, most seriously, meningitis and encephalitis. People become infected by eating undercooked fish or poultry or drinking water containing […]


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