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.
The outer portion (1.5mm to 5mm) of the cerebrum is covered by a thin layer of gray tissue called the cerebral cortex. 1  The cerebral cortex is in turn divided into four lobes: frontal lobes, parietal lobes, temporal lobes, and occipital lobes. The cerebrum or telencephalon, along with the diencephalon comprise the two major divisions of prosencephalon (forebrain).