Insurance and reinsurance. Many owners and operators of aircraft have an understanding of the insurance market, mainly in terms of what their legal requirements are and how to go about complying with them. Less is universally understood about insurance practices, particularly relating to reinsurance.
falx cerebelÂ´li the fold of dura mater separating the cerebellar hemispheres. falx ceÂ´rebri a sickle-shaped fold of dura mater in the longitudinal fissure, which separates the two cerebral hemispheres.l. falces [L.] a sickle-shaped structure. falx cerebelli. the fold of dura mater separating the cerebellar hemispheres. falx cerebri. a sickle-shaped fold of dura mater in the longitudinal fissure, which separates the two cerebral hemispheres.
1 Central sulcus or Rolando's fissure: separates the brain's frontal and parietal lobes. 2  Clevenger's fissure: found in the inferior temporal lobe of the brain. 3  Collateral fissure: found in the inferior surface of the cerebrum. Medial longitudinal fissure or Longitudinal fissure: which divides the cerebrum into the two hemispheres. 2  Fissure of Bichat: found below the corpus callosum in the cerebellum of the brain. 3  Broca's fissure: found in the third left frontal fold of the brain.