Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 759
iculation of its upper partprojects much further into the cavity, and encloses in itsmeshes (which are usually square, or nearly so) several layersof air-cells, which communicate, one through another, withthe general cavity.—The structure of the lungs of Birdspresents us with an arrangement of a… … Interior of upper part oi Lung of Frog. LUXGS OP EIEDS A^B MA3I3IALS. 737 of lobules or lunglets (Fig. 332), each of wkich has itsown bronchial tube (or subdivision of the windpipe), and itsown system of blood-vessels, which have very little communi-cation with those of other lobules. Each lobule…
Microscopy
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