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Embryology and Anatomy of Chest
Paula J. Woodward, MD
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GENERAL CONCEPTS

  • Overview of Lung Development

    EMBRYONIC STAGE (26 DAYS TO 6 WEEKS)

    • Laryngotracheal Groove

      • Respiratory Diverticulum or Lung Bud

        • Tracheal Bud

          • Tracheoesophageal Septum

            • Primary Bronchial Buds and Branches

              PSEUDOGLANDULAR STAGE (6-16 WEEKS)

              • Important Events

                • Microscopic Morphology

                  • Physiologic Implications

                    CANALICULAR STAGE (16-28 Weeks)

                    • Important Events

                      • Microscopic Morphology

                        • Physiologic Implications

                          SACCULAR STAGE (28-36 WEEKS)

                          • Important Events

                            • Microscopic Morphology

                              • Physiologic Implications

                                ALVEOLAR STAGE (36 WEEKS TO 8 YEARS)

                                • Important Events

                                  • Microscopic Morphology

                                    • Physiologic Implications

                                      OTHER DEVELOPMENTAL REQUIREMENTS

                                      • Volume Requirements

                                        • Amniotic Fluid Requirements

                                          • Circulatory Requirements

                                            • Diaphragm Development

                                              • Thymus

                                                NEONATAL LUNG

                                                • 1st Breath

                                                  Related Anatomy
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                                                  Related Differential Diagnoses
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                                                  References
                                                  Tables

                                                  Tables

                                                  GENERAL CONCEPTS

                                                  • Overview of Lung Development

                                                    EMBRYONIC STAGE (26 DAYS TO 6 WEEKS)

                                                    • Laryngotracheal Groove

                                                      • Respiratory Diverticulum or Lung Bud

                                                        • Tracheal Bud

                                                          • Tracheoesophageal Septum

                                                            • Primary Bronchial Buds and Branches

                                                              PSEUDOGLANDULAR STAGE (6-16 WEEKS)

                                                              • Important Events

                                                                • Microscopic Morphology

                                                                  • Physiologic Implications

                                                                    CANALICULAR STAGE (16-28 Weeks)

                                                                    • Important Events

                                                                      • Microscopic Morphology

                                                                        • Physiologic Implications

                                                                          SACCULAR STAGE (28-36 WEEKS)

                                                                          • Important Events

                                                                            • Microscopic Morphology

                                                                              • Physiologic Implications

                                                                                ALVEOLAR STAGE (36 WEEKS TO 8 YEARS)

                                                                                • Important Events

                                                                                  • Microscopic Morphology

                                                                                    • Physiologic Implications

                                                                                      OTHER DEVELOPMENTAL REQUIREMENTS

                                                                                      • Volume Requirements

                                                                                        • Amniotic Fluid Requirements

                                                                                          • Circulatory Requirements

                                                                                            • Diaphragm Development

                                                                                              • Thymus

                                                                                                NEONATAL LUNG

                                                                                                • 1st Breath