A Course of Elementary Practical Physiology by Sir Michael Foster

A Course of Elementary Practical Physiology

bySir Michael Foster

Paperback | February 4, 2012

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1882. Excerpt: ... LESSON XIX. THE STRUCTURE OF THE LUNG. THE MECHANICS OF RESPIRATION. 1. Stain with gold chloride the lung of a freshly-killed newt, cut out a piece, and mount it with the inner surface upwards, note a. The layer of flat epithelial cells, 6. The underlying connective tissue, with a close plexus of blood-vessels. 2. Distend the lungs of a frog with chromic acid-3 p. c, tie the trachea, and place the distended lungs in a relatively large quantity of the acid for a week and then treat with alcohol as usual. Stain a piece with haematoxylin; when it is well stained, soak it for a short time in bergamot oil, and imbed it in a mixture of spermaceti (1 part) and castor oil (4 parts), and let it cooL Cut sections, using olive oil instead of alcohol to wet the razor. Transfer the sections to a mixture of carbolic acid and turpentine, warm gently, and mount in Canada balsam. Observe with a low objective, the primary, secondary, and tertiary septa forming the alveoli, and with a high power the structure of the wall similar to that of the newt. 3. Make transverse sections from the posterior part of a small mammalian trachea, which has been hardened in chromic acid 5 p. c. The section should be so taken as to cut through the ends of a tracheal ring and include the membranous part between them. Observe a. Externally, the fibrous coat of loose connective tissue, becoming denser towards the tube of the trachea; in this are imbedded the two ends of the ring of cartilage. b. Stretching between the ends of the cartilage, a transverse band of unstriped muscular fibres; there may also be visible outside this the cut ends of muscular fibres running longitudinally. c. The submucous coat continuous with the fibrous coat, but of finer fibres. d. The small glands, the alveoli of whi...

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Title:A Course of Elementary Practical PhysiologyFormat:PaperbackDimensions:86 pages, 9.69 × 7.44 × 0.18 inPublished:February 4, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217159362

ISBN - 13:9780217159364

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