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Trabecular bone structure in the humeral and femoral heads of anthropoid primates
Author(s) -
Ryan Timothy
Publication year - 2010
Publication title -
the faseb journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.709
H-Index - 277
eISSN - 1530-6860
pISSN - 0892-6638
DOI - 10.1096/fasebj.24.1_supplement.171.4
Subject(s) - anatomy , femoral head , humerus , trabecular bone , femur , biology , cancellous bone , osteoporosis , paleontology , endocrinology
Studies of anthropoid femoral head trabecular bone structure have found broad similarity across taxonomic and locomotor groups. The goal of this study is to assess the effects of differential limb usage on the trabecular bone architecture of the femur and humerus across taxa with diverse locomotor behaviors. High‐resolution computed tomography scans were collected from the proximal humerus and femur of 55 individuals from five anthropoid species including S. syndactylus, Papio sp., P. rubicunda, A. caraya, and P. troglodytes . Trabecular structural features including bone volume fraction, anisotropy, trabecular thickness, and trabecular number were quantified in volumes positioned in the center of each joint. Femoral head bone volume is consistently higher than humeral bone volume in all taxa independent of locomotor behavior. Humeral trabecular bone is more isotropic than femoral trabecular bone in all species sampled, possibly reflecting the emphasis on a mobile shoulder joint and manipulative forelimb. The results indicate broad similarity in bone structure across all anthropoids. Supported by NSF BCS‐0617097.