Category: G

  • Gallbladder series

    A series of X-ray studies of the gallbladder and related structures; done after the patient swallows contrast medium that outlines the parts to be studied.  

  • Guaiac

    A solution used to test for the presence of occult blood in fecal matter. A resin obtained from trees of the genus Guaiacum, either G. officinale or G. sanctum. An alcoholic solution of guaiac is used to test for occult blood in feces. A substance obtained from the wood resin of guaiacum trees, guaiac is…

  • Great saphenous

    Major blood vessel that returns blood along the medial surface of the thigh.  

  • Gracilis muscle

    Skeletal muscle that inserts near the pubis and extends to the medial tuberosity of the tibia; upon contraction it adducts the thigh and flexes the knee.  

  • Gouty arthritis

    Inflammation of joints due to formation of tophi from accumulation of uric acid crystals.  

  • Goniometer

    A protractor-like device used to measure the angle and degrees of range of movement (ROM) of a joint. Use of a slit lamp with a special lens that illuminates the trabecular meshwork. An instrument for measuring angles, such as those made in joint movements. An apparatus to measure joint movements and angles. Various sizes and…

  • Giycohemoglobin

    A hemoglobin A molecule with a glucose group on the N-terminal valine amino acid unit of the beta chain.  

  • Gluteus medius muscle

    Middle, smaller muscle in the buttock region that extends to the thigh. A muscle of the hip originating on the lateral surface of the ilium and inserted in the greater trochanter of the femur. It abducts and medially rotates the thigh and is controlled by the superior gluteal nerve.  

  • Gluteus maximus muscle

    Large muscle forming the buttocks that extends to the thigh. A muscle of the buttock originating on the iliac crest, sacrum, and coccyx and inserted in the fascia lata and shaft of the femur below the greater trochanter. It extends and laterally rotates the thigh and is controlled by the inferior gluteal nerve.  

  • Gluten enteropathy

    Malabsorption and gastric irritation due to gluten sensitivity; celiac sprue, celiac disease. An inherited gastrointestinal disorder resulting from an intolerance to gluten, a protein present in wheat, rye, barley, and oats. This condition, commonly referred to as non-tropical sprue or Celiac disease, leads to malabsorption of nutrients.