01:146:328 Lecture Notes - Lecture 8: Fasciola Hepatica, Gastrointestinal Tract, Fasciolosis
27 Nov 2016
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Ih is the snail: the first stage (cerccaria) exit the snail and swim around, then develops into a metacercarria that encysts on plants called. Watercress (1) plants are not a host*: dh eats vegetation v) Inside the dh [picture on phone] start with metacercarria ingested by dh (a) 1. This juvenile penetrates through the intestinal wall (b) 2. There is a migration through the abdominal cavity and migrates towards the liver. (c) 3. Those that make it penetrate the glissan"s capsule (a capsule that surrounds liver) (d) 4. Some juveniles burrow through and get into the liver. These juvenile move in the liver, feed, grow, which results in liver rot (destructive damage to the liver) (e) 5. Leads to necrosis of the lung tissue: symptoms include a cough, chest pain, and blood tinged spulum (coughed up blood, ulcers in ecotpic sites (1) the migrating juvinles that get lost and burrow into an area.
