Category: O

  • Omphaloangiopagus

    Conjoined twins united by the vessels of the umbilical cord.  

  • Omohyoid

    Concerning the scapula and the hyoid bone.  

  • Omoclavicular

    Concerning the shoulder and clavicle.  

  • Omnipotence of thought

    In psychiatry, the infantile concept of reality in which one expects all of one’s wishes to be instantly gratified.  

  • Ommaya reservoir

    A mushroom-shaped infusion port, implanted in the ventricles of the brain, to allow access to cerebrospinal fluid (CSF), measurement of CSF pressure, or intrathecal drug administration (e.g., antibiotics, cancer-fighting drugs, or opiates). The reservoir may be used to help treat malignancies or infections of the central nervous system, or control chronic cancer pain. It may…

  • Omentotomy

    Surgical incision of the omentum.  

  • Omentoplasty

    The use of tissue from the greater omentum as a graft in reinforcing tissues.  

  • Ombudsman

    In medicine, an advocate, especially for patients or clients of health care institutions. The ombudsman verifies complaints and advocates for their resolution. A patient advocate, serving as a liaison between patients, their families, and the hospital, fulfills the role of investigating complaints and addressing issues pertaining to hospital services or treatments. They play a crucial…

  • Oliva

    An oval body located behind the anterior pyramid of the medulla oblongata and consisting of a convoluted sheet of gray matter enclosing white matter.  

  • Oligotyping

    The detection of particular oligonucleotides in a nucleic acid specimen.