14 - Trematodes: rumen, lung, intestinal Flashcards Preview

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Flashcards in 14 - Trematodes: rumen, lung, intestinal Deck (28):
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1-2. What are the two genera of importance?

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1. Paramphistomum spp. (cattle, moose, deer)

2. Cotyophoran spp. (sheep and goats)

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(Rumen flukes)

1. color

2. where found in body?

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3

just to go over the fluke anatomy again

as fluke matures the uterus becomes filled with eggs - and passes them out one at a time through the genital pore

1. more common in cervids or cattle/sheep?

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1. 

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4

 (Rumen Flukes)

(Life Cycle)

1. similar to what?

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 (Rumen Flukes)

(Pathology)

1. what causes most damage?

2. how do they get throgh rumen?

3. how much damage to adults cause?

1. migration of juvenile adults

2. small intestine throught the abomasum

3. none usually

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 (Rumen Flukes)

(eggs)

1. do they float?

2. what is different about them (in comparison to other fluke eggs)?

1. no

2. their are clear rather than reddish

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7

(Lung Flukes)

1-2 what are the two species of importance?

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8

(Paragonimus Kellitcotti)

(Hosts)

1. definitive?

2. intermediate?

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9

(Lung Flukes)

(Paragonimus Kellicotti)

1. location?

2. in what?

3. how many?

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10

1. local distribution limited by what?

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1. IH availability

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(Lung Flukes)

(Paragonimus Kellicotti)

1-2. What is unique about the eggs?

1. prominent operculum (shoulders)

2. button/knob at end opposite the operculum

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(Lung Flukes)

(Paragonimus Kellicotti)

 

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14

(Lung Flukes)

(Paragonimus Kellicotti)

1. clincal signs/pathogensis?

2. what may experience chronic disease?

1. often none

2. cats/dogs

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15

most worms induce eosinophilia 

eosinophilia = allergies and parasites

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17

(Paragonimus Westermani)

1. infects what?

1. humans

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18

(Intestinal Flukes)

Nanophyetus Salmonicola

1. definitive hosts?

2. intermediate

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1. look at pic

2. 1st is snail

2nd is salmonids (also giant salamander)

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21

(nanophyetus salmonicola)

(Pathogenecitiy)

1. adult flukes in dogs penetrate deeply into mucosa

2. see clinical problems?

2. not usually

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22

(nanophyetus salmonicola)

(salmon poisoning disease)

1. Rickettsial disease caused by what?

2. high mortality in what?

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fluke is serving as vector for rickettsia

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23

(Salmon Poisoning Disease)

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24

(nanophyetus salmonicola)

(Neorickettsia elokominica)

1. cause what?

2. how relative to rickettsia?

3. how compared to SPD?

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25

(nanophyetus salmonicola)

1. What is caused by Neorickettsia Risticii?

1. potomac horse fever

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26

(Alaria spp.)

1. Definitive hosts?

2. regionally most common fluke encuountered in what?

3. pathogenic?

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27

(Alaria spp.)

1. intermeditate host(s)?

2. DH become infected by eating what?

3. Juvenile flukes may migrate extensively before maturing where?

1. 1st snails

2nd frogs

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28

(Alaria spp.)

1. how pathogenic?

1. not very

NO APPROVED TREATMENT

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