neural arch

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Related to neural arches: neural arch of vertebra, hemal arches

neural arch

n.
A bony or cartilaginous Y-shaped arch that projects from the posterior side of a vertebral body and encloses the spinal cord. Also called vertebral arch.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.neural arch - a structure arising dorsally from a vertebral centrum and enclosing the spinal cordneural arch - a structure arising dorsally from a vertebral centrum and enclosing the spinal cord
centrum - the main body of a vertebra
arch - a curved bony structure supporting or enclosing organs (especially the inner sides of the feet)
References in periodicals archive ?
The neural arches are large and slope posteriorly, reaching nearly the height of the centrum posteriorly.
The position of the neural arch near the midpoint of the centrum excluded it from Titanosauriformes, which is characterized by anteriorly displaced neural arches (e.
The neural arches ossify approximately 3 years after birth but the body fuses at about 7 years.
Pelagic Benthic juvenile Age (DPH) 5 7 9 12 15 17 23 Neural arches 4 15 18 18 18 18 18 Haemal arches 0 7 13 12 13 13 13 Dorsal 0 0 0 12 12 12 12 pterygiophores Anal 0 0 0 6 7 6.
floridanus Auffenberg in having higher neural arches and shorter neural spines.
Like most vertebrae of Syngnathus column, preural centra have dorsal neural arches with a complex morphology.
This injury is defined as bilateral avulsion of the neural arches from the vertebral body, with or without subluxation.
Ribs were insignificant, and the vertebrae had no regional specialization or interlaced neural arches.
Given the continuing interest in a fishery (commercial and sport) and potential conservation concerns, we investigated the use of neural arches as an alternate body structure to use for the age determination of sixgill sharks.
Storeria vertebrae differ from those of Virginia in having slightly thicker neural spines that extend past the posterior borders of the neural arches (often referred to as a neural spine overhang).
However, the dorsal ribs are holocephalous, and contact with the well-developed transverse processes of the dorsal neural arches (Rieppel, 2000).