Basement membrane of blood vessels during distraction osteogenesis.
basic_science · Level V
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Abstract
A canine model of distraction osteogenesis has recently been developed that permitted the evaluation of bone formation and its vascularization during bifocal callotasis. In this model, the authors examined the composition of the blood vessels during distraction osteogenesis of the mandible for laminin and for Type IV collagen, both constituents of the vascular basement membrane. At the fibrous distraction site, at the juncture of the free cortical surface and the regenerated bone, and at the abutting cortical surfaces at the distal margin of the defect, laminin and Type IV collagen were present in all vessels.
Medical subject headings
- Basement Membrane
- Blood Vessels
- Bone Transplantation
- Bony Callus
- External Fixators
- Mandible