Brain vessels enter the central nervous system through holes in the meningeal layers. The cells in the blood vessel walls are joined tightly to one another, forming the blood–brain barrier, which blocks the passage of many toxins and pathogens (though at the same time blocking antibodies and some drugs, thereby presenting special challenges in treatment of diseases of the brain). Neuroanatomists usually divide the vertebrate brain into six main regions: the telencephalon (cerebral hemispheres), diencephalon (thalamus and hypothalamus), mesencephalon (midbrain), cerebellum, pons, and medulla oblongata. Each of these areas has a complex internal structure. Some parts, such as the cerebral cortex
Where the Boys Are Where the Boys Are Where the Boys Are is a 1960 Metrocolor and CinemaScope American coming-of-age comedy film directed by Henry Levin, written by George Wells based on the 1960 novel of the same name by Glendon Swarthout, about four Midwestern college co-eds who spend spring break in Fort Lauderdale, Florida. The title song "Where the Boys Are" was sung by Connie Francis, who also co-starred in a supporting role. The film was aimed at the teen market, featuring sun, sand and romance. Released in the wintertime, it inspired many American college students to head to Fort Lauderdale for their