Functional Diagnosis; The Application Of Physiology To Diagnosis

Paperback | January 11, 2012

byThomas George Atkinson

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This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1909. Not illustrated. Excerpt: ... DIGESTION. Mastication is performed by means of the digastric muscle, which depresses the jaw; the masseters, temporals, and internal pterygoids, which raise it; and the external pterygoids, which move the jaw laterally (grinding). Innervation.--All the muscles of mastication receive their motor power by way of the inferior maxillary branch of the fifth cranial nerve. Bulbar Paralysis.--One of the earliest manifestations of bulbar paralysis is dysarthria, or difficulty of jaw movement, due to involvement of the root of the fifth nerve. The lesion of this particular part is probably no earlier in fact than that of other bulbar areas, but its impairment is noticed first. Later, there is complete inability to masticate. Imperfect Mastication, from whatever cause, sends the food to the stomach imperfectly prepared, thus delaying its passage through that organ and giving rise to fermentation, flatulence, and indigestion, and is, in these days of hurry, a fertile cause of stomach trouble. ** *m *m Salivary Glands.--These consist of the parotid, submaxillary and sublingual glands, all of which belong to the type of tubular glands. The Saliva is a colorless viscid liquid of alkaline reaction and a specific gravity of about 1.003. Its principal ingredient is an enzyme called ptyalin, which reacts upon starch to produce a diastase. It also contains some proteid maltose, and sodium potassium and calcium salts. In solution saliva contains carbon dioxid, the product (and measure) of the metabolic activity of the glands. The secretion contributed by the parotid gland is richer in ptyalin and poorer in mucin than the secretion of the other two; the latter is given a more alkaline reaction than the parotid secretion. Ptyalism is an excessive secretion of saliva. It is rarely, i...

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This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1909. Not illustrated. Excerpt: ... DIGESTION. Mastication is performed by means of the digastric muscle, which depresses the jaw; the masseters, temporals, and internal...

Format:PaperbackDimensions:50 pages, 9.69 × 7.44 × 0.1 inPublished:January 11, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217217540

ISBN - 13:9780217217545

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