File:Postnatal alveoli number.jpg: Difference between revisions
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Dunnill MS. '''Postnatal growth of the lung.''' Thorax 1962;17:329–333. [http:// | Dunnill MS. '''Postnatal growth of the lung.''' Thorax 1962;17:329–333. [http://thorax.bmj.com/content/17/4/329.citation Thorax] | [http://thorax.bmj.com/content/17/4/329.full.pdf+html PDF] | ||
[[Category:Human]] [[Category:Respiratory]] [[Category:Graph]] | [[Category:Human]] [[Category:Respiratory]] [[Category:Graph]] | ||
Revision as of 17:40, 3 February 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.
| 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
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