Category: A

  • Ascia

    A form of spiral bandage with each turn overlapping the previous one for a third of its width.  

  • Aschoff bodies

    Microscopic foci of fibrinoid degeneration and granulomatous inflammation found in the interstitial tissues of the heart in rheumatic fever.  

  • Aschner’s phenomenon

    Slowing of the heart rate after pressure is applied to the eye or the carotid sinus. It was formerly used to slow the heart in patients with supraventricular tachycardia or angina pectoris.  

  • Ascend

    To move from the lower part of the body toward the head; to move in a cephalic direction. Guillain-Barre syndrome is an example of an ascending paralysis, one that begins in the feet and progresses upward to the muscles of the legs, abdomen, and chest.  

  • Ascarid

    A nematode worm of the family Ascaridae.  

  • Asbestos bodies

    A beaded, dumbbell shaped body formed when a macrophage engulfs asbestos fibers.  

  • Arytenoidopexy

    Surgical fixation of the arytenoid muscle or cartilage.  

  • Arytenoiditis

    Inflammation of arytenoid cartilage or muscles.  

  • Artificial urinary sphincter

    A cuff that is placed around the urethra, preventing the bladder from leaking urine when the inflatable reservoir attached to the cuff is filled.  

  • Artificial life

    The scientific study of the means of simulating living systems, e.g., in silica, in vitro, or in vivo.