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 Bears Are Where the Bears Are Where the Bears Are is a comedy-mystery web series, which ran for seven seasons from August 1, 2012, to November 1, 2018. The series' creators and writers Rick Copp and Ben Zook star in the movie together with Joe Dietl. Described by the creators as a cross between "The Golden Girls" and "Murder, She Wrote", the series focuses on Nelson (Zook), Wood (Dietl) and Reggie (Copp), three gay bear friends sharing a house in Los Angeles' Silver Lake neighborhood who, in each season, are drawn into a different murder investigation which plays out as a season-long