• Anemia

    Anemia is a condition that occurs when the amount of red blood cells or hemoglobin (the substance in the blood that carries oxygen to organs) becomes reduced, causing fatigue that can be severe.

  • Anencephaly

    Anencephaly is a severe congenital defect in which the fetus has no brain.

  • Anesthesia

    Anesthesia is the medically induced loss of sensation. General anesthesia involves the entire body; local anesthesia involves only a particular area.

  • Anomaly

    Malformation or abnormality of a body part or a deviation from the common rule, type, arrangement, or form.

  • Anterior Fontanelle

    The anterior fontanelle (bregmatic fontanelle, frontal fontanelle) is the largest fontanelle, and is placed at the junction of the sagittal suture, coronal suture, and frontal suture; it is lozenge-shaped, and measures about 4 cm in its antero-posterior and 2.5 cm in its transverse diameter. The […]

  • Antibiotics

    Antibiotics are drugs used to fight many infections caused by bacteria. Some antibiotics are effective against only certain types of bacteria; others can effectively fight a wide range of bacteria. Antibiotics do not work against viral infections.

  • Antibody

    An Antibody is a protein produced by white blood cells to fight bacteria, viruses, and other foreign substances.