Studies on the Activities of the Infective Larvae of Necator Americanus: Dissertation Submitted to the Director of the School of Hygiene and Public ... Requirements for the Degree of Doctor of Scie - Softcover
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Excerpt from Studies on the Activities of the Infective Larvae of Necator Americanus: Dissertation Submitted to the Director of the School of Hygiene and Public Health of the Johns Hopkins University in Conformity With the Requirements for the Degree of Doctor of Science in Hygiene
These studies have shown that many of our former conceptions concerning the biology of mature hookworm larvae are erroneous and that a revision of these ideas is necessary. The length of life of mature larvae was found to be much more limited than was formerly supposed and under tropical condi tions, an almost complete dying out occurred in less than two months. It was also found that mature larvae become unsheathed in the soil, a phenomenon which was supposed to occur only at the time of penetration of the skin of the host. This casting of the sheath was found to be significant in that it immediately renders the larva more susceptible to adverse conditions and functions in reducing soil infestation. It was also shown that the infective larvae do not migrate from places of development.
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Studies on the Activities of the Infective Larvae of Necator Americanus
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Paperback. Condition: New. Print on Demand. This book chronicles the author's series of experiments on the migration of hookworm larvae in soils. These experiments challenge the long-held belief that hookworm larvae can lead to infestation far from where feces were originally deposited, and that they have a lifespan of up to years in the soil. The author's groundbreaking research contributes to our understanding of the life cycle of hookworm larvae and the development of effective control measures. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9780365655442_0
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Studies on the Activities of the Infective Larvae of Necator Americanus Dissertation Submitted to the Director of the School of Hygiene and Public Requirements for the Degree of Doctor of Scie
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9780365655442
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Studies on the Activities of the Infective Larvae of Necator Americanus Dissertation Submitted to the Director of the School of Hygiene and Public Requirements for the Degree of Doctor of Scie
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PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9780365655442
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Studies on the Activities of the Infective Larvae of Necator Americanus : Dissertation Submitted to the Director of the School of Hygiene and Public Health of the Johns Hopkins University in Conformity With the Requirements for the Degree of Doctor of Scie
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Condition: Sehr gut. Zustand: Sehr gut | Seiten: 286 | Sprache: Englisch | Produktart: Bücher | Keine Beschreibung verfügbar. Seller Inventory # 32095232/2