Physiological Anatomy of the Lungs

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                                Bronchial tube, with the course and distribution of 
which it closely corresponds and as its branches, like 
those of the Bronchial tube do not at all inosculate 
with one another until they finally split up into their 
capillary subdivisions, it follows that as regards 
the pulmonary artery likewise, each group of lobules 
is quite distinct from those which surround it - 
The same fact prevails also with respect to each lobule 
and in a modified degree with regard to each 
individual leaflet. 
Each lobule receives its own special Bronchial 
tube and pulmonary artery, and therefore as far 
as these are concerned might be considered as 
forming a distinct and independent body, were 
it not that the sulci, which divide the lobules 
from one another extend only to a limited depth 
leaving the bases of the lobules partially on ap=
=position with each other - 
In the situation where the lobules join, the con=
=tiguous leaflets establish a kind of anastomosis 
and by their instrumentality a communication 
is established, so that air blown into any par=
=ticular lobule through its own special Bronchial 
tube will readily make its escape by the Bronchial 
                            
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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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