Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Fall 22: Parasites > 08. trichocephalids > Flashcards

08. trichocephalids Flashcards

1
Q
A

Trichuris

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
A

Trichuris
whip worm

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Trichuris egg

A

lemon shape with plug at each end

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

whip worms are

A

Trichuris
fine-hair like head embedded in the intestinal wall

posterior thick tail free in the lumen

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

life cycle of Trichuris

A

direct life cycle

eat egg with L1, large intestine, poop out egg

PPP depends on species- >3 months for dogs, 1.5 months for pigs

egg-L2 takes 1 month

eggs can survive for years in environment

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
A

Trichuris sp.

direct- egg with L1- large intestine
whip worm

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Trichuris vulpis infect

A

dogs

direct to large intestine
whip worm

PPP > 3 months

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Trichuris discolor infect

A

cattle and sheep

direct to large intestine
whip worm

PPP around 3 months

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Trichuris suis infect

A

pigs

direct to large intestine
whip worm

PPP 1.5 months

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

clinical signs of Trichuris sp.

A

usually mild to asymptomatic

heavy infectious can cause severe disease

whip worm

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

clinical signs of Trichuris vulpis

A

few worms- asymptomatic

heavy- intermittent diarrhea, flecked with mucous and blood, weight loss and anemia, adults in cecum, and wall of colon

whip worm of dogs

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

clincial signs of trichuris discolor

A

few worms- asymptomatic

heavy- young animals hemorrhages into lumen of the cecum

ruminants whip worm

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Clincial signs of Trichuris suis

A

few worms- asymptomatic

heavy- catarrhal enteritis, diarrhea, dehydration, anorexia, smaller pigs

whip worm of pigs

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

hair worms

A

capilarids (eucoleus)
very fine and small

eggs are asymmetrical with bipolar plugs and are smaller then trichuris sp.

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
A

Trichuris- whip worms- lemon shape

Eucoleus- hair worms- asymmetrical with bipolar plugs- smaller

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

life cycle of Eucoleus

A

probably direct
egg with L1- small intestine- lungs

PPP 40 days
egg-L1- 30-50 days

asymmetric lemon eggs

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

where do adult Eucoleus worms live?

A

lungs/ respiratory system
Eucoleus aerophilus- bronchioles
Eucoleus boehmi- nasal sinus

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Eucoleus aerophilus infect

A

fox, cat, dog

hairworm- attack SI then trachea, bronchi, and bronchioles

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Eucoleus boehmi infect

A

dogs and fox

infect nasal passages- hairworms

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

20
Q

Pearsonema plica is found

A

in urine of fox and dogs

type of hairworm- Eucoleus/capullaria

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

21
Q

clinical signs of Eucoleus aerophilus

A

few- asymptomatic

severe- cough, nasal discharge, dyspnea, anorexia, pneumonia

found in the trachea, bronchi, bronchioles of dogs, cats and foxes

use fecal float?

hair worm- lung worm

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

22
Q

clinical signs of Eucoleus boehmi

A

severe- chronic rhinitis, secondary bacterial infection- purulent discharge

rare intracranial migration

hairworm of fox and dogs that live in nasal passages

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

23
Q

diagnosis of Trichuris sp.

A

fecal float
souble centrifufal float
sheather’s sugar solution

differential:
Trichuris- direct to large intestine
Eucoleus (Capillaria) boehmi- similar shaped egg but found in trachea and bronchi of cat, dog, fox
Eucoleus (Capillaria) aerophilus- found in dog and fox nasal passage
Pearsonema plica – urine flotation

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

24
Q

Diagnosis for Capilarids/ Eucoleus

A

fecal float: doubel centrifugal flotation and sheather’s sugar solution

differential:
Trichuris- direct to large intestine
Eucoleus (Capillaria) boehmi- similar shaped egg but found in trachea and bronchi of cat, dog, fox
Eucoleus (Capillaria) aerophilus- found in dog and fox nasal passage
Pearsonema plica – urine flotation

Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris

25
difference between Trichuris and Capilarids/Eucoleus egg
trichuris- (whipworm) lemon shape, plugged both ends, larger, smooth wall shell, browner, ridges at end of plug, curved sides Eucoleus- (hairworm) misshaped lemon, smaller, no ridges at end, shell has rough surface and parallel sides ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
26
E. aerophilus- (lung worm- hair worm) rough, parallel sides Trichuris-(whipworm- large intestine) smooth curved sides ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
27
treatment for Trichuris
fenbendazole ivermectin reinfection! PPP: 3 months to mature | whip worm- can live in soil for years ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
28
treatment and contol of Eucoleus
E. boehmi: ivermectin E. aerophilus: moxidectin pick up poop PPP- 40 days take 30-50 days for egg-L1 | hair worms- (lung worms) ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
29
Trichinella sp | embedded in mucosa of small intestine of swine, carnivores and humans ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
30
--- are prelarvae that are found embedded in the mucosa of small intestine of swine, carnivores and humans
Trichinella ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
31
life cycle of Trichinella
we dont know no free living stage adult and larva live inside host get infected by eating another host that is infected - zoonotic or indirect raw or undercooked meat ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
32
what animals can Trichinella infect
T. pseudospiralis- birds, T. zimbabwensis- reptiles mammals ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
33
T spiralis is a concern because
zoontoic can infect pigs, mammals and humans ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
34
what are two common Trichinella in human
T. britovi T. murrelli from eating raw or undercooked pork or bear meat ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
35
clinical signs of Trichinella
Enteral phase: mostly asymptomatic, transient diarrhea/nausea Parenteral phase: 2 weeks post-infection – myalgia, possibly fatal | can infect humans ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
36
diagnosis of Trichinella
muscle biopsy clinical signs- muscle pain after eating raw meat meat inspection ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
37
treatment and control of Trichinella sp.
no drugs for animals cook meat to proper temp- 145 degree F ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
38
giant kidney worms
Dictophyma renale can reach 1 m in length deep red-purple ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
39
Dioctophyma renale | giant kindey worm- eggs passed in urine ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
40
life cycle of Dioctophyma renale
indirect eggs passed in urine annelids (intermediate host) eat eggs- 2 molts dogs eat annelids or paratenic host (frogs or fish) that ate annelids intestinal wall- peritoneal cavity- kidney PPP 6 months | giant kidney worm ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
41
PPP of Dioctophyma renale
6 months, travel from intestine to kidney eggs shed in urine | giant kidney worm ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
42
Dioctophyma renale | giant kidney worm- PPP 6 months ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
43
clinical signs of Dioctophyma renale
PPP 6 months renale necrosis usually attack **Right** kidney eggs in abdominal cavity can cause liver lesion, hemoperitoneum and peritonitis | giant kidney worm ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
44
diagnosis of Dioctophyma renale
urine sediment- eggs found in urine xray distended right kidney ultrasound | giant kidney worm ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
45
Treatment and control of Dictophyma renale
surgical removal of right kidney no not feed raw or undercooked frogs or fish | giant kidney worm ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
46
fish and frogs are the paratenic host of ----
Dioctophyma renale | giant kidney worm ## Footnote Trichocephalid: Dioctophyma renale, Eucoleus, Trichinella, Trichuris
47
what Trichocephalid is resistant to freezing
Trichinella L1 infectious- uncooked meat- spirals imbedded in muscle no free living phase

Fall 22: Parasites (32 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions