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== Respiratory Alveoli==
== Respiratory Alveoli==
Respiratory alveoli and respiratory airway numbers continue to increase postnatally through childhood. The total number of both plateauing at 7 to 8 years of age.
Respiratory alveoli and respiratory airway numbers continue to increase postnatally through childhood. The total number of both plateauing at 7 to 8 years of age. This suggests that in addition to genetic effects, the postnatal environment can influence respiratory development.


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Revision as of 11:45, 10 March 2014

Respiratory Alveoli

Respiratory alveoli and respiratory airway numbers continue to increase postnatally through childhood. The total number of both plateauing at 7 to 8 years of age. This suggests that in addition to genetic effects, the postnatal environment can influence respiratory development.

Age (months) Alveoli (million) Respiratory Airways (million) Generations of Airways
Birth 24 1.5
3 86 1.8
3 77 2.5 21
3 73 2.0
7 112 3.7
13 129 4.5 22
16 127 4.7
22 160 7.1
48 257 7.9
98 280 14.0 23
Adult 296 14.0 23

Reference

<pubmed></pubmed>

Dunnill MS. Postnatal growth of the lung. Thorax 1962;17:329–333. Thorax | PDF

File history

Yi efo/eka'e gwa ebo wo le nyangagi wuncin ye kamina wunga tinya nan

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current16:40, 29 February 2012Thumbnail for version as of 16:40, 29 February 2012800 × 504 (26 KB)Z8600021 (talk | contribs) Category:Human Category:Respiratory Category:Graph