Category: K

  • Koch’s bacillus

    The bacterium which causes tuberculosis, Mycobacterium tuberculosis [Described 1882. After Robert Koch (1843-1910), Professor of Hygiene in Berlin, Germany, later Director of the Institute for Infectious Diseases. (Nobel Prize 1905).] The original name for Mycobacterium tuberculosis, which causes tuberculosis. It stems from the name of the German doctor who first identified the bacillus.  

  • Kocher manoeuvre

    A method for realigning a dislocated shoulder in which the arm is raised and a sudden change is made between inward and outward rotation of the head of the joint.  

  • Knuckle

    The back of each joint on a person’s hand. Joints of the fingers, especially the joints where the fingers attach to the main part of the hand. Prominence of the dorsal aspect of any of the phalangeal joints, especially of the distal heads of the metacarpals when the fist is clenched.  

  • Knock-kneed

    Referring to a person whose knees touch when he or she stands straight with feet slightly apart. Abnormal incurving of the legs, resulting in a gap between the feet when the knees are in contact. In severe cases there is stress on the knee, ankle, and foot joints, resulting eventually in degenerative arthritis. The condition…

  • Knock-knee

    A state in which the knees touch and the ankles are apart when a person is standing straight. Condition in which the legs are curved inward so that the knees are close together and the ankles far apart as the person stands or walks; also called genu valgum. Knees that touch due to an inward…

  • Knit

    To join together again.  

  • Knee joint

    A joint where the femur and the tibia are joined, covered by the kneecap. Hinged joint made up of three articulations: two at which the femur (thighbone) and tibia (a lower leg bone) meet and one at which the femur and patella (kneecap) meet. The joint formed by the femur, patella, and tibia.  

  • Klumpke’s paralysis

    A form of paralysis due to an injury during birth, affecting the forearm and hand. Paralysis of the forearm resulting from injury to the lower brachial plexus. Klumpke paralysis is present from birth, most often with breech deliveries. It is often associated with other problems, such as Horner syndrome. A partial paralysis of the lower…

  • Kleptomaniac

    A person who has a compulsive desire to steal.  

  • Kleihauer test

    A test used to check whether there has been any blood loss from a fetus to the mother across the placenta. It is usually done immediately after delivery.