2.- Various Forms of Tapeworms. A, Taenia echinococcus; X 12 (from Leuckart).
Taenia echinococcus has only three, Echinobothrium four, Bothriocephalus three thousand.
Echinococcifer echinococcus, a minute form with only three to five proglottides, in dog, wolf, jackal.
The embryo of the taenia echinococcus finds its way from the stomach or intestine into a vein passing to the liver, and, settling itself in the liver, causes so much disturbance there that a capsule of inflammatory material forms around it.
Of all parasites the one which by its mere presence is the most dangerous is the larva of Taenia echinococcus.