Umbilical cord placenta. Animals that lay eggs seem to have a false umbilical-cord that attaches the embryo and yolk together in much the same way. The term "umbilical cord" or just "umbilical" has also come to be used for other cords with similar functions, such as the hose connecting surface-supplied divers to their surface supply of air and/or heating, or space-suited astronauts to their spacecraft. Engineers sometimes use the term to describe a complex or critical cable connecting a component, especially when composed of bundles of conductors of different colors, thickness and types, terminating in a single multi-contact disconnect. In multiple American
Confraternities of the Cord the faithful began to wear a cord in honour of Saint Thomas, to obtain the grace of purity through his intercession. In the 17th century, societies were formed at different universities, the student members of which wore a cord in honour of Saint Thomas, hoping through his intercession to be protected from the dangers to which youth is generally exposed. The first Confraternity of the Cord of Saint Thomas was erected at the Catholic University of Leuven by the Belgian Dominican friar Franciscus Deurweerders in 1649, and numbered among its members all the professors and students of the Faculty of