|Reference : Morphometric Study of the Equine Navicular Bone: Comparisons between Fore and Rear Limbs|
|Scientific journals : Article|
|Life sciences : Anatomy (cytology, histology, embryology...) & physiology|
|Morphometric Study of the Equine Navicular Bone: Comparisons between Fore and Rear Limbs|
|Gabriel, Annick [Université de Liège - ULg > Département de morphologie et pathologie > Anatomie des animaux domestiques >]|
|Yousfi, S. [> > > >]|
|Detilleux, Johann [Université de Liège - ULg > Département de productions animales > Génétique quantitative >]|
|Dessy-Doize, C. [> > > >]|
|Hallet, Claude [Centre Hospitalier Universitaire de Liège - CHU > > Anesthésie et réanimation >]|
|Zentralblatt für Veterinarmedizin. Reihe A|
|Yes (verified by ORBi)|
|[en] Navicular bones collected from the four limbs of 95 sound horses were studied. The anatomic bases have been laid down about morphometry of the navicular bones and their variations according to limbs, after corrections have been made for morphologic type, gender, weight, size and age. All the dimensions of the navicular bone (except for the thickness) were larger in the fore limb. This phenomenon probably reflects an attempt to compensate for the greater forces exerted upon the fore limbs during exercise and at rest. Navicular bones collected from the four limbs of 61 sound horses were studied and the anatomic bases were described for histomorphometry of the fore and rear navicular bones. Fore navicular bones possess less cortical bone at the level of the articular surface, as well as at the level of the flexor surface and proximal border, but larger amounts of cancellous bone. Articular and flexor surface cortical bone show a larger porosity in the fore navicular bones and a larger amount of mineralized cartilage. The mineralized portion for distal impar- and collateral sesamoidean ligaments are also larger for the fore navicular bones. Two distinct zones are observed for the flexor surface cortex that have never been reported in the literature before: an external zone, which is mainly composed of poorly remodelled lamellar bone, arranged in a disto-proximal oblique direction, and an internal zone, which is mainly composed of secondary bone, with a latero-medial direction of Haversian canals. Bone architecture is discussed with regard to the mechanic load, encountered by the bone during locomotion.|
|Researchers ; Professionals|
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