cell body. noun. Medical Definition of cell body. : the nucleus-containing central part of a neuron exclusive of its axons and dendrites that is the major structural element of the gray matter of the brain and spinal cord, the ganglia, and the retinaâcalled also perikaryon, soma.
Sometimes a bridge collapses for glaringly obvious reasons â being whacked by a barge, for example. That's what knocked down Florida's Sunshine Skyway bridge in 1980, killing 35 people, and the I-40 bridge near Webbers Falls, Oklahoma, in 2002, killing 14, and a causeway in Louisiana in 1964, killing 14.
Longest Single Span: 1,200 feet. Engineer(s): Figg & Muller Engineering Group. Completed in 1987, the Sunshine Skyway is the world's longest cable-stayed concrete bridge. It is probably the best known of the several dozen cable-stayed bridges that have been built in the United States since the late 1970s.