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{{short description|Feature of isopod anatomy}}
]'' identify them as pleopodal lungs. ]] ]'' identify them as pleopodal lungs. ]]
]'', male pleon, ventral view. ]'', male pleon, ventral view.
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'''ur''' uropod]] '''ur''' uropod]]
]'']] ]'']]
'''Pleopodal lungs''' are an anatomical feature of terrestrial ] and a component of their ]. They are ancestrally derived from pleopodal ], and they facilitate ] on land. They perform a similar function as ] do in insects.<ref name=":0">{{Cite web|url=http://www.bmig.org.uk/image/woodlice-pleopodal-lungs|title=Woodlice: 'pleopodal lungs'|last=|first=|date=|website=British Myriapod and Isopod Group|archive-url=|archive-date=|access-date=2020-04-24}}</ref><ref>{{Cite journal|last=Unwin|first=Earnest Ewart|date=1931|title=On the structure of the respiratory organs of the terrestrial Isopoda|url=https://eprints.utas.edu.au/13122/|journal=Papers and Proceedings of the Royal Society of Tasmania|language=en|pages=37–104|issn=0080-4703}}</ref> '''Pleopodal lungs''' are an anatomical feature of terrestrial ] and a component of their ]. They are ancestrally derived from pleopodal ], and they facilitate ] on land. They perform a function similar to ] in insects.<ref name=":0">{{Cite web|url=http://www.bmig.org.uk/image/woodlice-pleopodal-lungs|title=Woodlice: 'pleopodal lungs'|last=|first=|date=|website=British Myriapod and Isopod Group|archive-url=|archive-date=|access-date=2020-04-24}}</ref><ref>{{Cite journal|last=Unwin|first=Earnest Ewart|date=1931|title=On the structure of the respiratory organs of the terrestrial Isopoda|url=https://eprints.utas.edu.au/13122/|journal=Papers and Proceedings of the Royal Society of Tasmania|language=en|pages=37–104|issn=0080-4703}}</ref>


Pleopodal lungs are identifiable on ] as white patches on the lower 5 segments (the ]) on the ventral side (underside). The number of pleopodal lungs vary by species – they may have up to five pairs, or only two pairs as in ''];'' a minority of species lack pleopodal lungs entirely.<ref name=":0" /> Pleopodal lungs are identifiable on ] as white patches on the lower five segments (the ]) on the ventral side (underside). The number of pleopodal lungs varies by species: they may have up to five pairs, or only two pairs as in '']''; a minority of species lack pleopodal lungs entirely.<ref name=":0" />


==References== ==References==

Latest revision as of 12:52, 10 October 2024

Feature of isopod anatomy
The white patches on the first two pairs of pleopods on this specimen of Porcellio laevis identify them as pleopodal lungs.
Armadillidium vulgare, male pleon, ventral view.
en endopodite
ep epimeron
ex exopodite
lg pleopodal lung
pp pleopod
pr protopodite
pt pleotelson
ur uropod
Pleopodal lungs of Porcellio scaber

Pleopodal lungs are an anatomical feature of terrestrial isopods and a component of their respiratory system. They are ancestrally derived from pleopodal gills, and they facilitate gas exchange on land. They perform a function similar to spiracles in insects.

Pleopodal lungs are identifiable on woodlice as white patches on the lower five segments (the pleon) on the ventral side (underside). The number of pleopodal lungs varies by species: they may have up to five pairs, or only two pairs as in Porcellio laevis; a minority of species lack pleopodal lungs entirely.

References

  1. ^ "Woodlice: 'pleopodal lungs'". British Myriapod and Isopod Group. Retrieved 2020-04-24.
  2. Unwin, Earnest Ewart (1931). "On the structure of the respiratory organs of the terrestrial Isopoda". Papers and Proceedings of the Royal Society of Tasmania: 37–104. ISSN 0080-4703.


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