The diseases of infants and children

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Identifier: diseasesofinfant01grif (find matches)
Title: The diseases of infants and children
Year: 1919 (1910s)
Authors: Griffith, J. P. Crozer (John Price Crozer), 1856-1941
Subjects: Infants Children Disease Pediatrics
Publisher: Philadelphia, London, W.B. Saunders company
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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Text Appearing Before Image:
6()5 childrenin Alabama, ascarides being found in but 4.06 percent.; and Schloss found it present in 14 out of 230children examined (6.08 per cent.). Its most frequenthabitat is the small intestine of species of rats andmice. The parasite is only J2 to 1 inch (1.27 to 2.54cm.) long, and has a spherical armed head, and 150 or more short mikIbroad proglottides each containing 80 to 100 eggs. It occurs cliicfly inciiildreii and often in very large numbers in a shigle case. Evennurslings may Ix; affected. The intermediate host is unknown, and itis possible tiiat none exists, but that the larva occupy the mucous mem-brane of the intestine and there develop into the perfect worm. CcntiMll.l. f. li.ict. u. I.ir.isitcnk., Orin-, Ht, XXWIII, .%M. - Wicn. Klin. Wocli.. I.Hi. XX!V, i.-)ii.j. •^ ruhlic Ilcillli Miiil .M.iriiic llnsp. Service, l. S. llvnieiiifL.il * Colonido .Med.. I.lin, il. »»;(. ^ .Vnier. .lour. Dis. (liild.. I.M.). X. AM. « . cli. (»f Ted., I.IK). XWll. I(H»,
Text Appearing After Image:
Fig. 268.—Hymeno-lepsis Nana.A, One-half actual size; B, enlurncd; showing head ant! suckers. (Srhloss, Arch.nf P,(iml.. HMO, AA17/, 101.) IMil Mull. ... IS. 826 THE DISEASES OF CHILDREN Dibothriocephalus Latus; Fish Tapeworm.—The head of this para-site is small, wedge-shaped, grooved on each side, and unarmed with beakor hooklets. The proglottides are broader than long, measuring i^ to ^^inch (1.27 to 1.52 cm.) in breadth and but about )i inch (0.51 cm.) inlength. This feature easily distinguishes the parasite from other tape-worms. The sexual openings are on the surface of the proglottides in-stead of at the edge as in other varieties, and the uterus is rosette-shaped,instead of branched. The eggs are about 3^^oo inch (0.006 cm.) long and3^^ 00 inch (0.004 cm.) broad, and are characterized by a lid-shapedclosure at one end. After leaving the intestine the ova develop in waterinto a free-swimming infusorial organism, and then by way of the in-testine enter the muscles of certain

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