Template:Lung stage table2

**Species Comparison Timeline - Lung Stages**
Stage	Human	rabbit	sheep	mouse	rat	monkey
Embryonic	4 to 7 weeks (E26 – E49)	n.d. – E18	E17 – E30	E9.5 – E12	E11 – E13	n.d. – E55
Pseudoglandular	week 5 to 17	E18 – E24	E30 – E85	E12 – E16.5	E13 – E18.5	E55 – E85
Canalicular	week 16 to 25	E23 – E27	E80 – E120	E16.5 – E17.5	E18.5 – E20	E75 – E115
Saccular	week 24 to 38	E27 – E30	E110 – E140	E17.5 – P4	E21 – P4	E105 – term
Alveolar (can be subdivided)
Alveolar Phase 1	36 weeks (preterm) – 3 years	E30 – term (E31)	E120 – term (E145)	P4 – P21	P4 – P21	E125 – greater P180
Alveolar Phase 2	term 3 – 21 years	term (E31) - n.d.	term (E145) - n.d.	P14 – young adulthood	P14 – young adulthood	P180 – young adulthood (7–8 years)
Table Data^[1] Links: Human stages table \| respiratory

↑ Gauthier TW & Brown LA. (2017). In utero alcohol effects on foetal, neonatal and childhood lung disease. Paediatr Respir Rev , 21, 34-37. PMID: 27613232 DOI.