- arcus neurales
plural of arcus neuralis
Dictionary of ichthyology. 2009.
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arcus neuralis — (plural arcus neurales)) neural arch (the arch enclosing the spinal cord on the dorsal surface of the vertebrae. Generally continuous in Chondrostei but separate arches in Teleostei give more flexibility. Acipenseridae have two canals, the upper… … Dictionary of ichthyology