Agenesis of the corpus callosum (ACC) is complete or partial absence of the structure that connects the two hemispheres of the brain - the corpus callosum, which is the largest fibre tract in the central nervous system.It can occur as an isolated condition or in combination with other cerebral abnormalities. These include:
Image caption Isabel dos Santos is relatively shy despite her successful business career. Isabel dos Santos, the eldest daughter of Angola's president, has become Africa's first female billionaire, US financial magazine Forbes has said. The 40 year old's shares in several Portuguese firms, including a TV cable company, and an Angolan bank put her on the billionaires' list, Forbes said. Her first venture was a restaurant in Luanda called Miami Beach, said the magazine that tracks the world's rich. Most of the population in oil-rich Angola live on about $2 (Â£1.25) a day.
Richest Black Women in the World. With Africa having over 11 billionaires on Forbes list. These female billionaires found spots for themselves. For years Oprah Winfrey had the crown as the richest and only billionaire black woman; everything changed in 2014 with Folorunsho Alakija and Isabel dos Santos on Forbes Billionaires . A brief overview of the richest black women in the world: