Category: A

  • Adrenergic nerve

    A nerve whose axons release norepinephrine from their terminals.  

  • Accelerator nerve

    A sympathetic nerve to the heart that carries impulses that speed the heart rate.  

  • Amyloid nephrosis

    A nephrotic syndrome from amyloid deposits in the kidney.  

  • Arteriolar nephrosclerosis

    Sclerosis of the smaller renal arterioles, especially the afferent glomerular arterioles with resulting fibrosis, ischemic necrosis, and glomerular degeneration and failure. This type of nephrosclerosis occurs in most cases of essential hypertension.  

  • Arterial nephrosclerosis

    Arteriosclerosis of the renal arteries resulting in ischemia, atrophy of parenchyma, and fibrosis of the kidney.  

  • Analgesic nephritis

    Chronic nephritis caused by excess intake of almost any of the anti-inflammatory analgesics (e.g., salicylates, acetaminophen, nonsteroidal anti-inflammatory agents).  

  • Acute nephritis

    An inflammatory form of nephritis involving the glomeruli, the tubules, or the entire kidney. It may be called degenerative, diffuse, suppurative, hemorrhagic, interstitial, or parenchymal, depending upon the portion of the kidney involved.    

  • Aspirating needle

    A long, hollow needle, usually fitted to a syringe, for withdrawing fluids from a cavity.  

  • Aneurysm needle

    A blunt, curved needle with an eye in the tip used for passing a suture around a vessel.  

  • Aseptic necrosis

    Necrosis occurring without infection, e.g., as a result of trauma or drug use. Aseptic necrosis refers to the death of bone tissue in the absence of infection. The primary cause of this condition is typically a disruption in the blood supply to the bone, often resulting from a fracture. In certain instances, aseptic necrosis is…