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Maj Rishi Pokhrel, MD
Anatomy
NAIHS
www.slideshare.net
What triggers labor of childbirth?
Respiratory diverticulum
25 Day embryo
Partition of tubes
Larynx
6 week 12 week
4th arch: superior laryngeal N 6th arch: superior laryngeal N
Trachea, bronchi & lungs
Prenatal: 17 generations
Postnatal: 6 generations
• Epithelium: endoderm
• Cartilage, muscles, connective tissue:
mesoderm
Pleural cavity
Maturation of lungs
DEVELOPMENT OF DIAPHRAGM
Defects in partition of foregut
esophageal atresia / Tracheo-esophagal fistula
Total Incidence: 1/3000
90%
4%4%
1% 1%
VACTERAL association
• V: Vertebral anomalies
• A: Anal atresia
• C: cardiac defects
• E: esophageal atresia
• R: renal an...
• Respiratory distress syndrome / hyaline
membrane disease
• Ectopic lung lobes
• Congenital cysts of lungs
Assignment
• Poly-hydraminos?
• Oligo-hydraminos?
Development & anomalies respiratory system embryology
Development & anomalies respiratory system embryology
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Development & anomalies respiratory system embryology

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Development & anomalies respiratory system embryology

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Development & anomalies respiratory system embryology

  1. 1. Maj Rishi Pokhrel, MD Anatomy NAIHS www.slideshare.net
  2. 2. What triggers labor of childbirth?
  3. 3. Respiratory diverticulum 25 Day embryo
  4. 4. Partition of tubes
  5. 5. Larynx 6 week 12 week 4th arch: superior laryngeal N 6th arch: superior laryngeal N
  6. 6. Trachea, bronchi & lungs Prenatal: 17 generations Postnatal: 6 generations
  7. 7. • Epithelium: endoderm • Cartilage, muscles, connective tissue: mesoderm
  8. 8. Pleural cavity
  9. 9. Maturation of lungs
  10. 10. DEVELOPMENT OF DIAPHRAGM
  11. 11. Defects in partition of foregut esophageal atresia / Tracheo-esophagal fistula Total Incidence: 1/3000 90% 4%4% 1% 1%
  12. 12. VACTERAL association • V: Vertebral anomalies • A: Anal atresia • C: cardiac defects • E: esophageal atresia • R: renal anomalies • L: limb defects
  13. 13. • Respiratory distress syndrome / hyaline membrane disease • Ectopic lung lobes • Congenital cysts of lungs
  14. 14. Assignment • Poly-hydraminos? • Oligo-hydraminos?

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