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Inhaltsangabe
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. 1919 Excerpt: ...imported into the western continent by the slave trade. The negro seems to be tolerant of its presence but in the white to which it has been abundantly transferred in the regions where the two races are in close contact, it evokes a most serious anemia which results in marked physical and The exact spelling of this name, which has been written in some 20 different ways, following an erroneous orthography employed by the discoverer of the worm, has finally been settled as given here by the International Commission on Zoological Nomenclature. Pjg. 2.--Oral capsule of Ancylosloma dnndenale from man in Egypt. Viewed from in front (dorsal aspect). On each side two heavy teeth, the inner (upper) one of each set carrying a minute accessory denticle. X 100. (After Looss). alike in appearance that careful microscopical examination is demanded for their differentiation. Their effects on the host are in general similar though those due to Necator are more intense and persistent. The adult Ancylostoma duodenale (Fig. 1) measures in the male 8 to 11 mm. in length by 0.4 to 0.5 in breadth, and in the female 10 to 18 mm. long by 0.5 to 0.6 wide. The most significant region is the anterior end (Fig. 2, A). On looking down into the oral capsule one notes at the anterior ventral margin two pairs of large uncinate teeth turning-inwards, and deeper within the capsule two short lateral cutting plates. In Necator the corresponding with which they are associated and might be confused (Fig. 6). Development proceeds within the eggshell slowly, the rate varying with the external temperature, until the embryo takes form (Fig. 7) and later a minute larva (Fig. 5, o) is hatched out. This passes its existence free in mud or feces until, after the §econd molt, the second stage of de...
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Reseña del editor
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. 1919 Excerpt: ...imported into the western continent by the slave trade. The negro seems to be tolerant of its presence but in the white to which it has been abundantly transferred in the regions where the two races are in close contact, it evokes a most serious anemia which results in marked physical and The exact spelling of this name, which has been written in some 20 different ways, following an erroneous orthography employed by the discoverer of the worm, has finally been settled as given here by the International Commission on Zoological Nomenclature. Pjg. 2.--Oral capsule of Ancylosloma dnndenale from man in Egypt. Viewed from in front (dorsal aspect). On each side two heavy teeth, the inner (upper) one of each set carrying a minute accessory denticle. X 100. (After Looss). alike in appearance that careful microscopical examination is demanded for their differentiation. Their effects on the host are in general similar though those due to Necator are more intense and persistent. The adult Ancylostoma duodenale (Fig. 1) measures in the male 8 to 11 mm. in length by 0.4 to 0.5 in breadth, and in the female 10 to 18 mm. long by 0.5 to 0.6 wide. The most significant region is the anterior end (Fig. 2, A). On looking down into the oral capsule one notes at the anterior ventral margin two pairs of large uncinate teeth turning-inwards, and deeper within the capsule two short lateral cutting plates. In Necator the corresponding with which they are associated and might be confused (Fig. 6). Development proceeds within the eggshell slowly, the rate varying with the external temperature, until the embryo takes form (Fig. 7) and later a minute larva (Fig. 5, o) is hatched out. This passes its existence free in mud or feces until, after the §econd molt, the second stage of de...
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- VerlagRareBooksClub.com
- Erscheinungsdatum2012
- ISBN 10 1232315346
- ISBN 13 9781232315346
- EinbandTapa blanda
- SpracheEnglisch
- Anzahl der Seiten774
- Kontakt zum HerstellerNicht verfügbar
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