Craniopagus twins conjoined twins develop inutero remains unclear. Embryologists have traditionally attributed identical twinning as "splitting or fission" of either the inner cell mass of pleuripotential cells or early embryonic disc at 13–14 days of gestation just before the primitive streak. Some theorists suggested that conjoined twins develop as a result of the failed fusion of a single fertilized ovum. However a new hypothesis suggests that cranial fusion occurs between two separate embryos before the end of the 4th week of gestation. This can happen because the cranial neuropore is still open, which is responsible for the ultimate fusion and formation of
Morristown Twins Morristown Twins The Morristown Twins (previously known as the Maryville-Alcoa Twins) were a minor league baseball team that played in the Class D and Class C Mountain States League from 1953 to 1954. They were originally located in Maryville and Alcoa, Tennessee, and played their home games at Hunt Field in Maryville. The Twins won the 1953 Mountain States League pennant by finishing the season in first place. In 1954, the Twins relocated to Morristown, Tennessee, where they became the Morristown Twins. The only Twins player to also play in Major League Baseball was Willie Kirkland who played his first