Myogenesis is the formation of muscular tissue, particularly during embryonic development. Muscle fibers generally form from the fusion of myoblasts into multi-nucleated fibers called myotubes. In the early development of an embryo, myoblasts can either proliferate, or differentiate into a myotube. What controls this choice in vivo is generally unclear.
NCLB | The No Child Left Behind Act. The No Child Left Behind (NCLB) Act of 2001, Public Law (P.L.) 107-110, is the nationâs general education law. It was passed by Congress and signed into law by the President in 2001. Although it is referred to as NCLB, it actually amends longstanding legislation, the Elementary and Secondary Education Act (ESEA).
Durham-Humphrey Amendment. This amendment to the Food, Drug, and Cosmetic Act, also known as the Prescription Drug Amendment, was signed into law by President Harry S. Truman on October 26, 1951.he other sponsor of this amendment was Carl Durham, a pharmacist representing North Carolina in the House of Representatives. The Durham-Humphrey Amendment, enacted in 1951, resolved the issues left open by the 1938 Act.