1. Introduction.- 2. Materials and Methods.- 2.1. Anesthesia and Intravenous Administration.- 2.2. Preparation of the Graft.- 2.3. Preparation of the Recipient Site.- 2.4. Microsurgical Vessel and Nerve Anastomoses.- 2.5. Grouping of the Animals.- 2.6. Supravital Polychromic Bone Labelling.- 2.7. Examination of the Specimen.- 3. Results.- 3.1. General Remarks.- 3.2. Evaluation of the Muscle Graft.- 3.3. Evaluation of the Bone Graft.- 4. Discussion.- 4.1. General Remarks.- 4.2. Behavior of the Intercostal Muscle Graft.- 4.3. Behavior of the Rib Graft.- 4.4. Conclusions.- 5. Summary.- References.Springer Book ArchivesGPSR ComplianceThe European Union's (EU) General Product Safety Regulation (GPSR) is a set of rules that requires consumer products to be safe and our obligations to ensure this.If you have any concerns about our products you can contact us on ProductSafety@springernature.com.In case Publisher is established outside the EU, the EU authorized representative is:Springer Nature Customer Service Center GmbHEuropaplatz 369115 Heidelberg, GermanyProductSafety@springernature.com