Dura mater. Dura mater, or dura, is a thin membrane that is the outermost of the three layers of the meninges that surround the brain and spinal cord. It is derived from mesoderm. The other two meningeal layers are the pia mater and the arachnoid mater.ura mater. Dura mater, or dura, is a thin membrane that is the outermost of the three layers of the meninges that surround the brain and spinal cord. It is derived from mesoderm. The other two meningeal layers are the pia mater and the arachnoid mater.
The story with the most credibility is the one that, the PiÃ±a Colada was introduced on August 15, 1954 at the Caribe Hiltonâs Beachcomber Bar in San Juan, Puerto Rico by its alleged creator, Ramon âMonchitoâ Marrero.
Additional Facts and Other Important Information. The invention of Coca-Cola started out when Pemberton was working as a chemist and druggist in Columbus, Georgia. In his quest to produce a coca wine, he combined damiana, kola nut and coca, and later on called the mixture Pembertonâs French Wine Coca.dditional Facts and Other Important Information. The invention of Coca-Cola started out when Pemberton was working as a chemist and druggist in Columbus, Georgia. In his quest to produce a coca wine, he combined damiana, kola nut and coca, and later on called the mixture Pembertonâs French Wine Coca.