#carina_fornicis  ridge on the lower surface of the fornix of the brain
  supertype:  #carina  any of various keel-shaped structures or ridges such as that on the breastbone of a bird or that formed by the fused petals of a pea blossom
  part of:  #fornix  an arched bundle of white fibers at the base of the brain by which the hippocampus of each hemisphere projects to the contralateral hippocampus and to the thalamus and mamillary bodies
     part of:  #encephalon__brain  that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord
        part of:  #central_nervous_system__centralnervoussystem__CNS__systema_nervosum_centrale  the portion of the vertebrate nervous system consisting of the brain and spinal cord
           part of:  #nervous_system__nervoussystem__systema_nervosum__systemanervosum  the sensory and control apparatus consisting of a network of nerve cells
              part of:  #body__organic_structure__organicstructure__physical_structure  the entire physical structure of an organism (especially an animal or human being); "he felt as if his whole body were on fire"
        part of:  #head__caput  the upper or front part of the body in animals; contains the face and brains; "he stuck his head out the window"
           part of:  #animal__animate_being__animatebeing__beast__brute__creature__fauna  a living organism characterized by voluntary movement

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