Tag Archives: absorption
Anemia, Megaloblastic (Vitamin B12 and Folic Acid Deficiency)

Anemia, Megaloblastic (Vitamin B12 and Folic Acid Deficiency)

The anemias caused by deficiencies of the vitamins B12 and folic acid show identical bone marrow and peripheral blood changes. Both vitamins are essential for DNA synthesis. Pathophysiology The two main vitamin deficiencies may coexist. In each case, hyperplasia of the bone marrow occurs, and the precursor erythroid and myeloid cells are large and bizarre […]

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Drugs and The Body

Drugs and The Body

Drugs and the Body Pharmacodynamics Pharmacodynamics is the science of dealing with interactions between living organisms and foreign chemicals Chemical reactions occur continuously in the body of each living system When other chemicals (drugs) are added to the body, additional effects occur Drug Actions To replace or act as substitutes for missing chemicals To increase […]

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