Terminology Service for NFDI4Health
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neural arch

Go to external page http://purl.obolibrary.org/obo/UBERON_0003861

Posterior part of a vertebra that consists of a pair of pedicles and a pair of laminae, and supports seven processes: four articular processes, two transverse processes one spinous process[WP]. ZFA: A neural arch encloses the neural canal and typically meets its partner to form a neural spine. [ http://en.wikipedia.org/wiki/Vertebral_arch ]

Term info

Label

neural arch

Synonyms
  • arcus vertebra
  • arcus vertebrae
  • arcus vertebrae (vertebralis)
  • dorsal arcocentrum
database cross reference
Subsets

efo_slim, pheno_slim, vertebrate_core

UBPROP 0000011

The neural arch can be a replacement ossification of the basidorsal cartilage or can form directly in membrane bone

axiom lost from external ontology

relationship loss: develops_from basidorsal (TAO:0001060)[TAO]

depicted by

http://upload.wikimedia.org/wikipedia/commons/3/30/Gray82.png

external definition

the dorsal bony and/or cartilaginous part of a vertebra, consisting of a pair of pedicles, a pair of laminae, and seven processes (four articular processes, two transverse processes, and one spinous process), Bony arch perched on the vertebral centrum; successive arches enclose the neural canal that surrounds and protects the spinal cord dorsally.[AAO], A neural arch encloses the neural canal and typically meets its partner to form a neural spine. The neural arch can be a replacement ossification of the basidorsal cartilage or can form directly in membrane bone.[TAO]

has broad synonym

vertebra neural arch

has related synonym

vertebra dorsal arch, arcus vertebrae

homology notes

(...) certain common components [of vertebral structure] are found in nearly all vertebrate. A representative vertebra has a vertebral arch or neural arch, which extends dorsally around the spinal cord.[well established][VHOG]

id

UBERON:0003861

taxon notes

tiny neural arches present in Hagfish (which lack a true vertebraal column).