Physiological Anatomy of the Lungs

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                                in the mucous membrane at all, and then these vessels 
will be of the minutest size imaginable and have a 
distribution totally different from and unlike to the 
proper plexus which is connected with the pulmonary 
veins - Both sets may however be made visible 
in the same specimen, as already shewn in Series B 
No 4, and both <s>are<\s> are then found to be entirely distinct, and 
it is evident therefore that they enter into no sort 
of anastomosis - 
If the predominance of force in making the in=
=jections of the Pulmonary vessels has been applied 
to the pulmonary artery the coloured fluid injected 
into that vessel may have been made to pass through 
the capillaries distributed to the leaflets into the 
plexus, which lines the mucous membrane, and 
then it can be made apparent that they are 
continuous with that plexus, which however is 
more nearly allied to the pulmonary veins,-
since the injection sent by the pulmonary artery 
does not reach them, until after it has passed 
through the capillaries of the leaflets  - 
This plexus makes the only deviation from that 
which is perfectly simple and evident in the ar=
=rangement by which the arterialized blood is conducted 
                            
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Manuscript details

Author
James Newton Heale
Reference
AP/43/4
Series
AP
Date
1860
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Physiological Anatomy of the Lungs, 1860. From The Royal Society, AP/43/4

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