with the locality where that occurs, becomes proporti=
=onately thickened and indurated, and it will be
necessary in order to separate the true pleura from
the morbid structure by which it is enveloped, to dissect
away the false membrane (and it will be found quite
possible to do this): the pleura can then be discovered
entirely distinct and independent of the false mem=
=brane; and such blood-vessels as still remain within
it will be found to be in connection with the pul=
=monary and not with the Bronchial systems.
Induration
of Pulmonary
tissue
When it occurs that such false membranes are
formed, not only is the sub-jacent cellular tissue
thickened and hypertrophied, but the parenchymatic
structure itself also (forming the leaflets or pulmonary
tissue) in the immediate locality is at the same time
toughened and made to resemble parchment.
This toughened and hypertrophied structure which
occupies the situation which in a state of health
belongs to the air-cells, can be injected with consi=
=derable minuteness by the Bronchial artery, but it
will be found that this altered structure will admit of
only a very sparing and insufficient quantity of the
fluid sent into the Pulmonary artery, passing into
its capillaries, although every other part of the lungs
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Manuscript details
- Author
- James Newton Heale
- Reference
- AP/43/4
- Series
- AP
- Date
- 1860
- IIIF
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Cite as
Physiological Anatomy of the Lungs, 1860. From The Royal Society, AP/43/4
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