Fasciola Hepatica Flashcards Preview

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Flashcards in Fasciola Hepatica Deck (15):
1

class

trematoda

2

common name

liver fluke

3

final host

cattle, sheep, goats, and other ruminants and humans

4

intermediate hosts

snails

5

adult size

3cm

6

adult characteristics

leaf like
oral and ventral suckers
dorsoventrally flattened

7

eggs have an _____

operculum

8

life cycle

eggs pass in feces
become embryonated in water
eggs release miracidia
miracida invade snail host
undergoes development in snail
encyst as metacercariae on vegetation
herbivores ingest vegetation
develop to adults in the liver

9

is life cycle direct or indirect?

indirect

10

PPP

2-3 months

11

site of infection

bile ducts of liver

12

egg size

130 micrometers

13

pathogenesis

fibrosis
pipestem liver
Chronic fasciolosis

14

diagnosis

sedimentation
ELISA
elevated globulin/albumin

15

treatment

flukicides
snail control