. Animal biology. Zoology; Biology. PARASITISM 175 An example of another trematode life cycle is shown in Fig. 86. In this case the adult fluke lives only in the lung of a frog and during the course of the life cycle two different intermediate hosts are required. 1 1. 1 Jn?; fr!:^T^^ ''J^ ^'l*u''^ °^ ^ ^T^ trematode, Haematoloechus medioplexus, of the frog. 1. adult trematode from the lung of the frog, Rana pipiens. {From W. W Cort 1915 ) I egg contaming miracidium. Passes from frog in feces; does not hatch until ;aten by 3 Planorhula armigera, a snail. The eggs hatch in this snail and sporocy
. Animal biology. Zoology; Biology. PARASITISM 175 An example of another trematode life cycle is shown in Fig. 86. In this case the adult fluke lives only in the lung of a frog and during the course of the life cycle two different intermediate hosts are required. 1 1. 1 Jn?; fr!:^T^^ ''J^ ^'l*u''^ °^ ^ ^T^ trematode, Haematoloechus medioplexus, of the frog. 1. adult trematode from the lung of the frog, Rana pipiens. {From W. W Cort 1915 ) I egg contaming miracidium. Passes from frog in feces; does not hatch until ;aten by 3 Planorhula armigera, a snail. The eggs hatch in this snail and sporocysts develop in the liver. 4, sporocyst containing developing cercaria. 5 mature cercaha. It leaves the snail, swims about in the water, enters the branchial basket of dragonfly nymphs. 6, ZTJ'^A ^^^ ""^J' '^'''^"f encysted in nymph. 8, mature dragonfly containing encysted cercana When eaten by a frog, the trematode larvae emerge and pass up thS ri^?^-'/?"'" '^p'r^.- ^""'n'"^ "? ^- ^''^"'^'•' ''^Laboratory Manual ir. Animal Para- sitology, Burgess Publishing Company. Figure 7 from Krull, 1930.). 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 Wolcott, Robert Henry, 1868-1934; University of Nebraska (Lincoln campus). Dept. of Zoology. New York ; London : McGraw-Hill Book Company, Inc.
Size: 1409px × 1773px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcoll, booksubjectbiology, booksubjectzoology
