Physiological Anatomy of the Lungs

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                                possibility of any honest or sincere dispute that 
the pulmonary vessels are engaged exclusively 
in the respiratory process, and that the Bronchial 
vessels fulfil the purpose of restoring and repairing 
the tissue of the lungs and their appendages, 
without any assistance or anastomosis from the 
Pulmonary vessels. 
Longitu=
=dinal 
channels 
The second point to be observed in connection 
with the Pleura, consists in the fact that certain 
longitudinal channels of a remarkable character 
exist in it. These channels somewhat resemble 
the sinuses of the Dura Mater of the brain, but 
they differ from them in the circumstance that they 
are quite colourless and that if they transmit any 
fluid through them, that also is destitute of colour. 
Tubular 
passages 
These channels are in connection by means of 
certain tubular passages, running through the 
sub-pleura cellular tissue, with a number of fora=
=mina, which may be seen on the surface of the 
lungs, and upon the interlobular surfaces also: these 
Foramina 
foramina, however, can only be seen when the 
Pleura and subpleural cellular tissue has been 
stripped off from the surface of the lungs and 
are always situated in the sulcus, which separates 
                            
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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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