Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0101clau Year: 1884 FIG. 269.—'(, Brood-capsule of Eckinococcus with developing heads (after R. Leuckart). b, Brood-capsule of Echinococcus (after G. Wageuer). c, Heads of Ecltinococcus still connected with the wall of the brood-capsule—one is evaginated ; TV, excretory canals. they are no doubt carried along passively by the current of blood, and transported by a longer or shorter route into the capillaries of the different organs, as the liver, lungs, muscles, brain, etc. After losing their hooks, they us
Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0101clau Year: 1884 FIG. 269.—'(, Brood-capsule of Eckinococcus with developing heads (after R. Leuckart). b, Brood-capsule of Echinococcus (after G. Wageuer). c, Heads of Ecltinococcus still connected with the wall of the brood-capsule—one is evaginated ; TV, excretory canals. they are no doubt carried along passively by the current of blood, and transported by a longer or shorter route into the capillaries of the different organs, as the liver, lungs, muscles, brain, etc. After losing their hooks, they usually become enveloped by a cyst of connective tissue, and grow into large vesicles with liquid contents and a contractile wall (fig. 2(38). The vesicle gradually becomes a cystic or Madder worm by the formation of one (Cysticercus*) or * Exceptionally two or more heads are found in some Cysticercus forms.
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