The Guinea-Pig Placenta

1. Introduction.- 2. Historical Survey.- 3. Development of the Guinea-Pig Placenta.- 3.1. Breeding and Age Determination.- 3.2. Early Development and Formal Genesis.- 3.3. Morphogenesis.- 4. Rough Structure of the Mature Placenta.- 5. Vascular Supply of the Mature Placenta.- 5.1. Maternal Arterial Blood Supply.- 5.2. Maternal Venous Drainage.- 5.3. Fetal Arterial Blood Supply.- 5.4. Fetal Venous Drainage.- 5.5. Intralobar Circulatory Conditions.- 6. Ultrastructure and Functional Morphology.- 6.1. Physiological, Technical and Morphometrical Data.- 6.2. Ultrastructural and Histochemical Development of the Main Placenta.- 6.3. Functional Morphology of the Different Regions in the Mature Main Placenta.- 6.4. Subplacenta and Junctional Zone.- 6.5. Yolk Sac and Margin of the Placenta.- 7. Possibilities of Comparison with the Human Placenta.- Acknowledgements.- 8. References.- 9. Subject Index.