Category: F

  • Fetal meconium aspiration

    Aspiration by the fetus of the first stool, occurring either in utero during episodes of severe fetal hypoxia or with the first few breaths after birth.  

  • Fetal asphyxia

    Asphyxia occurring in a fetus; results from interference in placental circulation, umbilical cord compression, or premature separation of the placenta, as in abruptio placentae.  

  • Flint’s arcade

    The arteriovenous anastomoses at the bases of the pyramids of the kidney.  

  • Fluent aphasia

    Aphasia in which words are easily spoken but are incorrect and may be unrelated to the content of the other words spoken.  

  • Fluorescent antibody

    An antibody that has been stained or marked by a fluorescent material. The fluorescent antibody technique permits rapid diagnosis of various infections. A technique that involves linking gamma-globulin proteins with a fluorescent dye, like fluorescein isothiocyanate, to aid in examining the arrangement of antigens within cells via microscopy.  

  • Fire ant

    An aggressive, stinging species that often forms large colonies. Its sting may cause itchy, painful rashes and, in some cases, anaphylactic shock.  

  • Flat angle

    The angle between two lines that join at an angle of almost 180°.  

  • Facial angle

    The angle made by lines from the nasal spine and external auditory meatus meeting between the upper middle incisor teeth.  

  • Facilitated angioplasty

    The treatment of acute myocardial infarction with small doses of clot-busting and antiplatelet drugs, followed immediately (within 1 hr) by balloon angioplasty.  

  • Folic acid deficiency anemia

    Anemia resulting from a deficiency of folic acid. It is a cause of red blood cell enlargement (megaloblastic anemia) and is common in patients who are experiencing nutritional deficiencies (e.g., alcoholics, patients with malabsorption) and during hemolysis or pregnancy. Folate deficiency during pregnancy increases the risk of thrombocytopenia, hemorrhage, infection, and fetal neural tube defects.…