• Portia A. Kreiger
  • Jennifer E. PogorilerEmail author


The lung changes dramatically throughout in utero life and continues to develop well into childhood. Though the process of fetal development is continuous, the development of the lung can be subdivided into five morphologic stages: embryonic, pseudoglandular, canalicular, saccular, and alveolar. This chapter reviews the histologic characteristics of the lung in each of these stages.


Pseudoglandular Canalicular Saccular Acinus Bronchiole 


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© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Department of Pathology and Laboratory MedicineThe Children’s Hospital of Philadelphia and Perelman School of Medicine at the University of PennsylvaniaPhiladelphiaUSA

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