the leaflets of the pulmonary tissue from one another
and are never found in the substance of a leaflet.
These foramina if examined by a microscope
will be found to be the open extremities of minute
Bronchial tubes; it would be a mistake, however,
to suppose that a considerable number compara=
=tively of the Bronchial tubes terminate thus
by open mouths on the surface of the lungs<s>,<\s>
and of the tubules; <s>by far<\s> the great majority
of the terminal Bronchial tubes end by plunging
into the leaflets, which constitute the ultimate
<s>Bronchial<\s> Pulmonary tissue, but some of the make their
appearance on the outer and on the interlobular
surfaces in the manner described, studding those
surfaces at tolerably regular intervals with foramina, and these foramina are
in communication by means of the tubular pas=
=sages in the subpleural cellular tissue, with the
longitudinal channels, which are found in the
substance of the Pleura. The blood vessels
derived from the pulmonary arteries and veins,
which ramify in the Pleura are almost entirely
distributed around the walls of these longitu=
=dinal channels. Without doubt these
longitudinal channels are rudimental repre=
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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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