Physiological Anatomy of the Lungs

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                                of each leaflet, and supply freely all the processes 
of fibrous tissue by which the interior of each leaf=
=let is divided into its compartments 
This plexus is much the most vascular of any 
distribution of the Bronchial arteries, it is perfectly 
independent of the Pulmonary vessels, and is evidently 
provided for the reparation of the tissue of the leaflets 
and air-cells which office it is equally evident the 
pulmonary vessels are not in the east concerned in, 
since their ramifications are simply such as will 
most perfectly ensure their thorough exposure to 
the air - Drawings in Series B No3 fig a & fig b. 
shew this ramification in the leaflets of the plexus 
derived from the Bronchial artery. 
The drawings in series B No4 fig a & fig b are the 
result of experiments instituted to shew <s>this rami=
=fication in<\s> that both the pulmonary vessels and the 
Bronchial can be injected in the same specimens 
and that their ramifications remain quite distinct, 
since the injection in no part is seen to blend or 
join in any way. Of course the second injection 
by which the red fluid was forced into the plexus in 
connection with the pulmonary vessels was made 
under disadvantageous circumstances, in consequence 
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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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