An arch-shaped structure of the vertebra that extends dorsally (neural arch) or ventrally (hemal arch) from the vertebral centrum.
Comment:
[homology-note] "(...) 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]" xsd:string {date_retrieved="2012-09-17", external_class="VHOG:0001670", ontology="VHOG", source="ISBN:978-0030223693 Liem KF, Bemis WE, Walker WF, Grande L, Functional Anatomy of the Vertebrates: An Evolutionary Perspective (2001) p.270", source="http://bgee.unil.ch/"}
Synonyms:
narrow_synonym:
arch of vertebra; arcus vertebrae (vertebralis); vertebra arch; vertebral arch