Terms. 1  mesencephalon A part of the brain located rostral to the pons and caudal to the thalamus and the basal ganglia, composed of the tectum (dorsal portion) and the tegmentum (ventral portion). 2  substantia nigra Brain structure located in the midbrain that plays an important role in reward and movement.
De novo review refers to the appellate court's authority to review the trial court's conclusions on questions of the application, interpretation, and construction of law. Generally, the proper standard of review for employee benefit decisions, such as the denial of benefit claims, is de novo.
peer review organization (PRO), n an organization established by an amendment of the Tax Equity and Fiscal Responsibility Act of 1982 (TEFRA) to provide for the review of medical services furnished primarily in a hospital setting or in conjunction with care provided under the Medicare and Medicaid programs.