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Updated: May 21, 2026
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Longitudinal Micro-Computed Tomography Image Analysis for User-Defined Region of Interest in Critical-Sized Bone Defects
Published on: June 24, 2025
Technical note: The use of geographical information systems software for the spatial analysis of bone microstructure
David C Rose1, Amanda M Agnew, Timothy P Gocha
1Department of Anthropology, The Ohio State University, Columbus, 43210, USA. rose.81@osu.edu
American Journal of Physical Anthropology
|June 16, 2012
Summary
Geographic Information Systems (GIS) software can map bone microstructure, revealing how collagen fiber orientation relates to strain. This novel approach aids in understanding bone
Area of Science:
- Paleoanthropology and Bioarchaeology
- Skeletal Biology and Histology
- Geographic Information Science (GIS)
Background:
- Geographic Information Systems (GIS) software is primarily used for analyzing geographically distributed data.
- Traditional GIS research focuses on geo-referenced data, but applications extend to physical anthropology.
- Bone histology research can benefit from GIS to analyze microstructural distributions and their relation to macrostructure and biomechanical loading.
Purpose of the Study:
- To introduce a reliable methodology for using GIS in bone histology research.
- To quantify the heterogeneity of bone microstructure across an entire bone cross-section.
- To investigate the relationship between collagen fiber orientation (CFO) and strain mode using GIS.
Main Methods:
- Utilized ArcGIS v 9.3 (ESRI) software for spatial analysis of bone microstructure.
- Identified the distribution of remodeling units within a human metatarsal cross-section.
- Mapped the distribution of remodeling units relative to bending axes to analyze CFO patterns.
Main Results:
- Demonstrated the feasibility of using GIS for histological mapping of bone microstructure.
- Quantified the heterogeneity of microstructural features (remodeling units) across the bone cross-section.
- Provided a method to investigate patterns of collagen fiber orientation (CFO) indicative of strain modes.
Conclusions:
- GIS offers a novel and powerful tool for analyzing bone histology and microstructure.
- This GIS-based methodology allows for the examination of histological features in a macroscopic context.
- The study supports the hypothesis that CFO patterns, visualized through birefringence, reflect bone strain modes during formation.
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01:40Bone Remodeling
Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
01:17Gross Anatomy of Bone
The two main features of a long bone are the diaphysis and the epiphysis.
The diaphysis is the tubular shaft that runs between the proximal and distal ends of the bone. The walls of the diaphysis are composed of dense and hard compact bone made of numerous osteons — the functional unit of the compact bone. The hollow region in the diaphysis is called the medullary cavity, which harbors the bone marrow. In infants and children, this marrow cavity is filled with red marrow, whereas in adults, it...
The diaphysis is the tubular shaft that runs between the proximal and distal ends of the bone. The walls of the diaphysis are composed of dense and hard compact bone made of numerous osteons — the functional unit of the compact bone. The hollow region in the diaphysis is called the medullary cavity, which harbors the bone marrow. In infants and children, this marrow cavity is filled with red marrow, whereas in adults, it...