Dermal element that arises via intramembranous ossification and are developmentally distinct from true ribs that articulate with the vertebral column. [ http://purl.obolibrary.org/obo/go/references/0000034 http://dx.plos.org/10.1371/journal.pone.0051070 VSAO:0000127 PSPUB:0000170 ]
Synonyms: abdominal rib gastralia belly rib
Term information
- VSAO:0000127
- Wikipedia:Gastralium
http://purl.obolibrary.org/obo/NCBITaxon_40674
http://purl.obolibrary.org/obo/NCBITaxon_8782
These bones may have been derived from the ventral scales found in animals like rhipidistians, labyrinthodonts, and Acanthostega, and may be related to ventral elements of turtle plastrons
Term relations
- abdomen element
- dermal bone
- abdominal segment bone
- in taxon some Amniota
- in taxon some (not Mammalia)
- part of some anterior abdominal wall
- in taxon some (not Aves)
- part of some rib skeletal system