. Animal parasites and human disease. Parasites; Medical parasitology; Insects as carriers of disease. 274 OTHER INTESTINAL ROUNDWORMS A scaris lumbricoides, is now usually looked upon as a variety of the species which occurs in hogs in almost every country in the world, and which is sometimes known as A. suilla. The life history of Ascaris is usually thought to be very simple. The eggs, of which thousands are deposited by a single female, develop within the eggshell outside of the human body, in water, soil or manure piles, wherever the proper conditions of temperature can be found. The eggs
. Animal parasites and human disease. Parasites; Medical parasitology; Insects as carriers of disease. 274 OTHER INTESTINAL ROUNDWORMS A scaris lumbricoides, is now usually looked upon as a variety of the species which occurs in hogs in almost every country in the world, and which is sometimes known as A. suilla. The life history of Ascaris is usually thought to be very simple. The eggs, of which thousands are deposited by a single female, develop within the eggshell outside of the human body, in water, soil or manure piles, wherever the proper conditions of temperature can be found. The eggs (Fig. 108) are about mm. long by mm. wide (¥£<y by ^0 of an inch), elliptical in form with a thick transparent shell, usually bile-stained, covered over outside by irregular albu- minous coats which give them a rough warty appearance. When passed from the diges- tive tract no sign of segmen-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Chandler, Asa C. (Asa Crawford), 1891-1958. New York, J. Wiley
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1922
