Animal Parasites And Human Disease
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In our eReader you can find the full English version of the book. Read Animal Parasites And Human Disease Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Animal Parasites And Human Disease
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It requires four moults to bring the larvae to sexual maturity. In most cases these parasites cause no incon- venience whatever and their presence is not even suspected. In Europe a large proportion of people are said to be infected, but in Amer- ica, according to Riley and Johannsen, there is reason for believing that the infection is far less common than is usually supposed. Since ^generation after generation may be produced on a single host the infection is potentially indefinite in its dura...tion. When the mites become numerous in the hair follicles sebaceous glands they sometimes cause " black- r heads " by causing a fatty accumulation to be produced, but they are not the only or even the usual cause of "black-heads. " The skin disease known as " acne " has also been attributed to these mites, but probably erroneously. Follicle mites have been suspected also of spreading leprosy. The method of transmission of the mites to another host is not definitely known but it is probable that the adults wander on the surface of the skin at times, and may then be transmitted by direct contact or by towels, as are itch mites.
What to read after Animal Parasites And Human Disease?
You can find similar books in the "Read Also" column, or choose other free books by Asa Crawford Chandler to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
It requires four moults to bring the larvae to sexual maturity. In most cases these parasites cause no incon- venience whatever and their presence is not even suspected. In Europe a large proportion of people are said to be infected, but in Amer- ica, according to Riley and Johannsen, there is reason for believing that the infection is far less common than is usually supposed. Since ^generation after generation may be produced on a single host the infection is potentially indefinite in its dura...tion. When the mites become numerous in the hair follicles sebaceous glands they sometimes cause " black- r heads " by causing a fatty accumulation to be produced, but they are not the only or even the usual cause of "black-heads. " The skin disease known as " acne " has also been attributed to these mites, but probably erroneously. Follicle mites have been suspected also of spreading leprosy. The method of transmission of the mites to another host is not definitely known but it is probable that the adults wander on the surface of the skin at times, and may then be transmitted by direct contact or by towels, as are itch mites.
What to read after Animal Parasites And Human Disease?
You can find similar books in the "Read Also" column, or choose other free books by Asa Crawford Chandler to read onlineMoreLess
Read book Animal Parasites And Human Disease for free
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