Glossary

Author: Glossary

  • Ansa peduncularis

    Complex fiber tract from the anterior temporal lobe, extending around the internal capsule to the mediodorsal thalamic nucleus.  

  • Ansa nervorum spinalium

    Connecting loops of nerve fibers between the anterior spinal nerves.  

  • Ansa lenticularis

    Tortuous fiber tract from the globus pallidus, extending around the internal capsule, to the ventral thalamic nucleus.  

  • Ansa cervicalis

    A nerve loop in the neck formed by fibers from the first three cervical nerves. Formerly called ansa hypoglossi.  

  • Anoxygenic

    Not reliant on oxygen for the electrons used in photosynthesis.  

  • Hyperandrogenic anovulation

    Failure to ovulate as a result of excessive levels of male hormones. Polycystic ovary syndrome (Stein-Leventhal syndrome) is the most common form of hyperandrogenic anovulation.  

  • Anotropia

    Tendency of the eyes to turn upward and away from the visual axis.  

  • Anostosis

    A defective formation or development of bone; failure to ossify.  

  • Anospinal

    To the anus and spinal cord or to the center in the spinal cord that controls the contraction of the anal sphincter.  

  • Visual anosognosia

    A neurological syndrome in which patients who cannot see deny that they are blind. An excuse such as “I lost my glasses” may be offered. The lesion is in the visual association areas of the cortex of the brain.