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. 1922 Excerpt: ...yet they sometimes produce reflex nervous symptoms, probably by secretion of toxins, and they may interfere with the normal action of the bowels. As Fig. 112. Early development of pinworm, Oxyuri vermieularis. A, newly laid egg containing tadpole-like larva; B, egg 12 hrs. later with nematode-like larva; C, egg with ...
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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. 1922 Excerpt: ...yet they sometimes produce reflex nervous symptoms, probably by secretion of toxins, and they may interfere with the normal action of the bowels. As Fig. 112. Early development of pinworm, Oxyuri vermieularis. A, newly laid egg containing tadpole-like larva; B, egg 12 hrs. later with nematode-like larva; C, egg with fully developed embryo; D, newly hatched embryo. X 500. (X and B after Braun; C and D after Leuckart.) remarked elsewhere pinworms are believed to be sometimes, and perhaps frequently, the original cause of lesions in the appendix which culminate in appendicitis. The intense itching which they produce by creeping in the vicinity of the anus is usually the most disagreeable effect of their presence. On account of their situation in the lower part of the intestine, treatment for pinworms should be by drugs which are not rapidly absorbed from the intestine but are relatively insoluble. Thymol, male fern and, best of all, oil of chenopodium are effective remedies. Strongyloides.--Another parasite of the intestine which is of wide distribution and locally very common is Strongyloides stercoralis, a very s.nall worm about one-tenth of an inch in length which bores deep into the mucous membrane of the intestine. The female strongyloid (Figs. 106 and 113A), which is the only sex known, can be recognized by its small size, and microscopically by the chain of six or eight eggs, lying near the middle of Fig. 113. Life history of Strongyloses stercoralis. A, adult female in intestine (note long pharynx, egg-containing uterus and vaginal opening on posterior third of body; B, newly born embryo as passed with faeces; C and D, adult female and male, respectively, of free-living generation; E, "rhabditiform" larva, from female of free-living generatio...
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Add this copy of Animal Parasites and Human Disease to cart. $25.72, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2022 by Legare Street Press.
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