Category: E

  • Elective abortion

    The decision by a pregnant woman to have the embryo or fetus removed by one of several different methods that may involve medication, a suction process, or surgery. The voluntary termination of a pregnancy. The 1973 Roe v. Wade decision by the US Supreme Court ruled that American women have a constitutional right to have…

  • Echoencephalogram

    A brain scan using ultrasound to detect such abnormalities as a tumor, clot, or hemorrhage.  

  • Exudative

    Substance that leaks into or out of tissues.  

  • Extrinsic asthma

    Asthma caused by an environmental allergen. Reactive airway disease triggered by an allergic (hypersensitivity) response to an antigen. Extrinsic asthma refers to any type of asthma triggered by environmental factors. This particular form of asthma is typically caused by an allergic reaction to external substances, such as inhaled particles, specific foods, or certain medications.  

  • Extraurethral incontinence

    Loss of control of urine flow caused when the sphincter mechanism has been bypassed.  

  • Extraocular muscles

    Muscles that control the movements of the eye. A muscle attached to the eyeball that controls eye movement and coordination. The six extraocular muscles are the inferior and superior oblique muscles, and the lateral, medial, inferior, and superior rectus muscles. Immerse yourself in the captivating domain of ocular dynamics, where a symphony of muscles orchestrates…

  • Extracorporeal lithotripsy

    A therapeutic procedure in which shock waves are transmitted to the kidneys to break apart renal calculi; also known as extracorporeal shock wave lithotripsy.  

  • Extracorporeal circulation

    Shunting of blood outside the body to a device that performs a body function; blood is then returned to the patient’s circulatory system; examples include the use of a heart-lung machine or kidney dialysis. Circulation of blood outside the body. This may be through an artificial kidney or a heart-lung device. Extracorporeal circulation refers to…

  • External oblique muscle

    A bilateral muscle of the lateral chest that begins at the fifth ribs and inserts into the anterior iliac crest, serving the function of compressing the abdomen and maintaining an upright posture. Either of a pair of muscles of the lower trunk originating on the lower eight ribs and inserted in the iliac crest and…

  • External jugular vein

    The paired, bilateral blood vessels of the neck that return blood from the head and neck to the heart. A vein that drains blood from the deep and superficial veins of the head and crosses the sternocleidomastoid muscle before entering the subclavian vein. Vein located at the side of the neck that carries blood returning…