Physiological Anatomy of the Lungs

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                                No 4 fig <s>b<\s>c & fig d, and in the diagram C No 7. have attained a certain size they soon 
come into contact with the larger Bronchial tubes, 
and one of them becomes placed on the under sur=
=face of each tube, but still continues to run in 
an interlobular space - They collect similar branches 
from other lobules and receive the trunks of the 
ramusculi, which run on the outer surface of 
each Bronchial tube and collect the blood from the 
plexus within it, and thus they continue to increase 
in size until they terminate in the four large veins 
which enter the left auricle of the heart - 
In this course, no branches of any sort or kind are 
given off from them to any tissue whatever, and they 
receive no contributions from the Brochial vessels; 
most certainly the blood brought by the Bronchial 
arteries is not conveyed back to the heart in the 
smallest degree by these veins; otherwise there 
would be a small circulation going on round 
and round through the left side of the heart and 
through a small portion of the lungs, and thus by 
accident the blood destined for the supply of the body 
at large might miss its way occasionally and 
go back again to the lungs through the Bronchial 
arteries and again find its way into the pulmonary 
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Manuscript details

James Newton Heale
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Cite as

Physiological Anatomy of the Lungs, 1860. From The Royal Society, AP/43/4



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