There are many causes of constipation, for example, medications; poor bowel habits; low fiber diets; possibly abuse of laxatives; hormonal disorders; diseases primarily of other parts of the body that also affect the colon; and high levels of estrogen and progesterone during pregnancy.
mg: Abbreviation for milligram, a unit of measurement of mass in the metric system equal to a thousandth of a gram. A gram is equal to the mass of one milliliter, one thousandth of a liter, of water at 4 degrees C. MG (in capital letters) is the abbreviation for the disease myasthenia gravis. Search MedTerms:
Barrow boy. 1 vote Vote for this answer. On a prescription the symbol Rx (or R) stands for the word Recipe, meaning (in Latin) 'to take.'. Now in pharmacological contexts like catalogs, the symbol Rx indicates that a drug or medicine is not free to buy, but has to be prescribed by a certified physician.he traditional RX symbol cannot be represented on a typewriter keyboard. It consists of an R and an X which are merged to resemble an R with an extension of the right leg of the R with a stroke across it (I hope that makes sense).