File:Respiratory secondary septum 01.jpg

From Embryology

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Secondary Septum during Alveologenesis

Secondary septa form during the alveolar stage of lung development along with microvascular changes.

Most of the alveolar surface is occupied by alveolar epithelial cells type I alveolar epithelial cells AECI (gas exchange) whereas a minor surface is occupied by alveolar epithelial cells type II alveolar epithelial cells AECII (surfactant production). The alveolar wall consists of the blood capillary, lipofibroblast (LIF, pulmonary lipofibroblast, lipid interstitial cell), resident fibroblast progenitor, alveolar myofibroblast (MYF), and extracellular matrix ECM (mostly elastin).


Links: Respiratory System Development

Reference

<pubmed>25973420</pubmed>

Front Med (Lausanne).

Copyright

© 2015 Chao, El Agha, Tiozzo, Minoo and Bellusci. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

Figure 2 lefthand panel cropped from figure, resized and PMID added.



Cite this page: Hill, M.A. (2024, June 20) Embryology Respiratory secondary septum 01.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Respiratory_secondary_septum_01.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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current12:46, 28 February 2016Thumbnail for version as of 12:46, 28 February 2016500 × 482 (45 KB)Z8600021 (talk | contribs)==Secondary Septum during Alveologenesis== Most of the alveolar surface is occupied by AECI (gas exchange) whereas a minor surface is occupied by AECII (surfactant production). The alveolar wall consists of the blood capillary, LIF, resident fibroblas...