Physiological Anatomy of the Lungs

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                                tubes belonging to the adjacent lobules. 
But though each lobule and each group of lobules 
is in a great measure distinct as regards their 
appropriate Bronchial tubes and Pulmonary 
arteries the case is strikingly different with respect 
to the Pulmonary veins; these do not, like 
the former, penetrate, as it were, into the substance 
of the lobules and thus become identified with 
a particular lobule, but they are invariably placed 
between contiguous lobules, and between contiguous 
groups of lobules, and collect their venous radicles 
(conveying of course arterial blood) indescriminately 
from the lobules between which they are situated. 
The only pulmonary veins, therefore, which 
are found in connection with the minuter 
Bronchial tubes and their accompanying 
arteries are the ramusculi, which collect the 
blood from the mucous membrane which lines 
those tubes. The true pulmonary veins, on 
the contrary are placed in the interlobular spaces 
which separate contiguous lobules and contiguous 
groups of lobules, and as respects the smaller bron=
=chial tubes and pulmonary arteries are placed at 
a distance from them - <s>A d<\s>rawings, in Series C 
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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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