Human physiology (1856) (14805005453)

Identifier: humanphysiology00dung (find matches)

Title: Human physiology

Year: 1856 (1850s)

Authors: Dunglison, Robley, 1798-1869

Subjects: Human physiology

Publisher: Philadelphia : Blanchard and Lea

Contributing Library: University of California Libraries

Digitizing Sponsor: Internet Archive

Text Appearing Before Image:

subdivided into lobes and lobules, the sliape and numberof which cannot be readily determined. They are termed right andleft^ respectively, according to the side of the cavity of the chest whichthey occupy. The former consists of three Fig. 78. lobes; the latter of two.Each of these exactlyfills the correspondingcavity of the pleura;and they are separatedfrom each other by aduplicature of thepleura — (the serousmembrane that linesthe chest, and is re-flected over the lungs)—and by the heart.The colour of the lungsis generally of a marbleblue; and the exterioris furrowed by figuresof hexagonal shape.The appearance is not,however, the same atall ages, and under allcircumstances. In in-fancy, they are of apale red; in youth, ofa darker colour; andin old age, of a lividblue. The elements thatcompose them are ;—the ramifications of thetrachea; those of thepulmonary artery andpulmonary veins, be-sides the organic ele-ments, that appertainto every living struc-ture,—arteries, veins.

Text Appearing After Image:

Posterior View of the Thoracic Viscera, showing their relativepositions by the removal of the Posterior Portion of the Pa-rietes of the Thorax. 1, 2. Upper and lower lobes of right lung. 3. Interlobular fis-sures. 4. Internal portion of pleura custalis, forming one of the sidesof posterior mediastinum. 5. Twelfth rib and lesser diaphragm.6. Reflection of the pleura over the greater muscle of the diaphragmon the right .side. 7, 7. Right pleura costalis adhering to the ribs.8, 9. The two lobes of the left lung. 10, 10. Interlobular fissures. 11, 11. Left pleura, forming the parietesof the posterior mrdia.stinum. 12, 1.3. Its reflections over the diaphragm on this side. 1-t, 1-1. Leftpleura costalis on the parietes of the chest. 1.5. Trachea. IG. Larynx.17. Opening of the larynx and the epiglottic cartilage in situ. 18.Root and top of the tongue. 19, 19. Right and left bronchia. 20.The heart enclosed in pericardium. 21. Upper portion of diaphragmon which it rests. 22. Section of oesophag

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1856

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