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The effect of diet on bone shape in the mouse
D R Johnson1, P O'Higgins, T J McAndrew
1Department of Anatomy, University of Leeds, UK.
Journal of Anatomy
|October 1, 1990
Summary
Mouse bone shape, specifically cervical vertebrae and scapulae, remained largely unchanged despite four deficient diets. This study highlights the robustness of bone morphology against dietary variations.
Area of Science:
- Osteology
- Nutritional Science
- Morphometrics
Background:
- Skeletal morphology can be influenced by nutritional factors.
- Non-metrical skeletal traits are sometimes used in taxonomic studies.
- Understanding dietary impacts on bone shape is crucial for accurate biological interpretation.
Purpose of the Study:
- To investigate the effects of four specific deficient diets on the shape of mouse cervical vertebrae and scapulae.
- To assess the robustness of bone shape against dietary deficiencies.
- To compare the impact of diet on bone shape versus non-metrical skeletal variants.
Main Methods:
- Fourier analysis was employed to quantify bone shape.
- C57BL mice were fed four distinct deficient diets: oats, barley, wheat, and buckwheat.
- The first and second cervical vertebrae and scapulae were analyzed.
Main Results:
- Bone shape of the analyzed vertebrae and scapulae demonstrated high robustness.
- Dietary deficiencies had minimal impact on the measured bone shapes.
- The study found bone shape to be less affected by diet than non-metrical skeletal traits.
Conclusions:
- Skeletal shape, particularly in the cervical vertebrae and scapulae of C57BL mice, is resilient to nutritional deficiencies.
- The findings suggest caution when using non-metrical skeletal characters in taxonomic studies due to their potential dietary sensitivity.
- Bone shape is a more stable indicator of skeletal form than certain non-metrical variants under dietary stress.