Category: A

  • Adductor longus muscle

    Muscle of the thigh and one of five medial femoral muscles; it functions to adduct and flex the thigh. A muscle of the medial thigh originating on the pubic crest and symphysis and inserted in the linea aspera of the femur. It adducts, flexes, and rotates the thigh medially and is controlled by the obturator…

  • Acute crisis

    Severe state of disorganization that occurs when the individual’s usual coping mechanisms, physical or emotional, are no longer effective.  

  • Actinotherapy

    Treatment of skin disorders using rays such as ultraviolet radiation.  

  • Actinic keratosis

    Localized thickening and scaling of the outer layers of the skin as a result of prolonged exposure to the sun. A red, scaly, precancerous skin lesion that is the result of years of sun exposure. Actinic keratoses usually occur on parts of the body that experience the most exposure to ultraviolet light, such as the…

  • Acrotism

    Having an undetectable pulse.  

  • Achilles reflex

    Contraction of the calf muscle following a sharp blow to the Achilles tendon behind the ankle.  

  • Abstract

    Summary statement of research article that identifies the purpose, methodology, findings, and conclusions. A summary of data or information.  

  • Abruptio placenta

    Sudden and premature separation of the placenta from the site of uterine attachment due to bleeding between the placenta and uterine wall. Placental bleeding after the 24th week of pregnancy, which may result in complete or partial detachment of the placenta from the wall of the womb. The woman may go into shock. The condition…

  • Aberratio testis

    Location of a testicle in an abnormal anatomical position.  

  • Aberrant conduction

    Passage of electrical impulses of the heart through abnormal pathways. The movement of electrical impulses through the heart along diseased or accessory pathways.