through these two latter surfaces only and are
never seen, even in the smallest fragment of the
lung to penetrate its structure through that
part which represents the upper or convex surface
Interior
of the lungs
Passing to the interior of the lungs, the
first point to engage attention is the dis=
=tribution of the Bronchial tubes -
Bronchial
tubes
In ordinary anatomical works it is common
to find it asserted that the Bronchial tubes divide
successively in pairs: that is to say, that the trachea
having what is called 'bifurcated', the tubes continue
again and again to split into two in a similar
manner - This statement has been almost
universally repeated until quite recently, when a
fresh author, desiring to be more exact than his
predecessors innovates so far as to assert that
some of the smaller tubes, instead of dividing
in a binary manner merge into a trichotomous
arrangement. It is singular that announcements
of this kind should continue to be repeated, when
the most cursory examination is sufficient to
prove their erroneousness. There is in truth
nothing in any part of the lungs, which would warrant
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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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