Inheritance of sutural pattern at the pterion in rhesus monkey skulls

Qian Wang, Lynne A. Opperman, Lorena M. Havill, David S. Carlson, Paul C. Dechow

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Five of the bones that characteristically comprise the cranial vault articulate on the lateral aspect of the skull at or near the cephalometric landmark referred to as the pterion. The pattern of articulation in the sutures associated with these bones varies among and within primate species and has been used as a criterion for classification in taxonomic studies, as well as in archeological and forensic studies. Within species, the sutural patterns found within the region of the pterion have remarkable consistency, which lead to the hypothesis that these patterns have a genetic basis. Sutural pattern variations were investigated at the pterion in 422 skulls from 66 rhesus monkey families with known genealogies from the long-standing colony on Cayo Santiago. Four specific types of articulation patterns were recorded. The results demonstrated that the most common suture pattern at the pterion of Cayo Santiago rhesus monkeys (86%; similar to that seen in some other anthropoid species but not humans and some apes) was characterized by an articulation between the temporal bone and parietal bone. Articulation between the sphenoid and parietal bones (type SP) accounted for 14% of the specimens and was concentrated in a dozen families. Mothers with the SP phenotype had a high incidence of offspring with SP phenotypes. Most non-SP mothers having SP offspring had siblings or family members from previous generations with the SP type. This is the first study to examine variation in sutural patterns at the pterion in pedigrees. Variation of sutural patterns shows familial aggregation, suggesting that this variation is heritable. Future work will be focused on defining the inheritance patterns of variation at the pterion, with the ultimate objective of identifying the specific genes involved and their mechanism of action.

Original languageEnglish (US)
Pages (from-to)1042-1049
Number of pages8
JournalAnatomical Record - Part A Discoveries in Molecular, Cellular, and Evolutionary Biology
Volume288
Issue number10
DOIs
StatePublished - Oct 2006
Externally publishedYes

Fingerprint

Inheritance Patterns
Macaca mulatta
Skull
Parietal Bone
skull
inheritance (genetics)
bones
Bone and Bones
Sutures
sutures
Sphenoid Bone
Cephalometry
Mothers
Genealogy and Heraldry
Phenotype
Temporal Bone
bone types
Hominidae
Pedigree
phenotype

Keywords

  • Cranial sutures
  • Genetics
  • Pedigree
  • Primate
  • Variation

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)
  • Anatomy

Cite this

Inheritance of sutural pattern at the pterion in rhesus monkey skulls. / Wang, Qian; Opperman, Lynne A.; Havill, Lorena M.; Carlson, David S.; Dechow, Paul C.

In: Anatomical Record - Part A Discoveries in Molecular, Cellular, and Evolutionary Biology, Vol. 288, No. 10, 10.2006, p. 1042-1049.

Research output: Contribution to journalArticle

Wang, Qian ; Opperman, Lynne A. ; Havill, Lorena M. ; Carlson, David S. ; Dechow, Paul C. / Inheritance of sutural pattern at the pterion in rhesus monkey skulls. In: Anatomical Record - Part A Discoveries in Molecular, Cellular, and Evolutionary Biology. 2006 ; Vol. 288, No. 10. pp. 1042-1049.
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