Magnesia
Magnesia
Magnesia (pronounced: mag-nee-zee-uh) is a term used in the field of Medicine and Pharmacy to refer to two different compounds: Magnesium oxide (MgO) and Magnesium hydroxide (Mg(OH)2).
Etymology
The term 'Magnesia' is derived from the region of Magnesia, located in Greece, where deposits of these compounds were first discovered.
Magnesium Oxide
Magnesium Oxide (MgO), also known as magnesia, is a white solid mineral that occurs naturally as periclase and is a source of Magnesium. It has an empirical formula of MgO and consists of a lattice of Mg2+ ions and O2− ions held together by ionic bonding.
Magnesium Hydroxide
Magnesium Hydroxide (Mg(OH)2), also known as magnesia, is an inorganic compound that naturally occurs as the mineral brucite. It is a common component of Antacids and Laxatives and is used to treat symptoms of indigestion like heartburn and upset stomach.
Related Terms
- Magnesium: A chemical element with the symbol Mg and atomic number 12. It is a shiny gray solid which bears a close physical resemblance to the other five elements in the second column (group 2, or alkaline earth metals) of the periodic table.
- Antacids: Medications that are used to neutralize stomach acid in the treatment of indigestion and heartburn.
- Laxatives: Substances that loosen stools and increase bowel movements. They are used to treat and prevent constipation.
- Periclase: A mineral form of magnesium oxide (MgO).
- Brucite: The mineral form of magnesium hydroxide.
External links
- Medical encyclopedia article on Magnesia
- Wikipedia's article - Magnesia
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