Helminths Flashcards
1
Q
Most common parasites
A
Tapeworm
Flatworm
Fluke
Roundworm
2
Q
Platyheliminths
A
Flatworms
No anus
Do not have respiratory circulatory Or digestive tract
3
Q
Trematodes
A
Flukes
2 host
4
Q
Cestodes
A
Tapeworms
Region called scolex
Fertilized eggs produced in proglottids
Live in intestine 2 hosts
5
Q
Aschelminths
A
Roundworms
Separate genders
Complete intestinal tract
Found in vessels or intestines
6
Q
Adult larvae
A
Vegetative form
7
Q
Egg hatched
A
Dormant form
8
Q
Definitive host
A
Adult form present
9
Q
Intermediate host
A
Larval form present
10
Q
Nematodes
A
Adult worms in intestinal tract
11
Q
Filaria
A
Round worms parasite of blood lymph muscle tissue
12
Q
Pinworms
A
Infection by ingestion of eggs Larvae hatch in small intestine Large intestine for 2-6 weeks Eggs on skin Survive for long periods of time Good personal hygiene
13
Q
Ascaris lumbricoides
A
Intestinal roundworms Ingest mature eggs Larval penetrates duodenal wall Enter blood Capillary destruction Coughed swallowed intestinal Adult small intestine 200,000 eggs
14
Q
Toxocara canis
A
Roundworms in dogs and cats
Go into human tissue
15
Q
Trichuris trichura
A
Whipworm
Live as long as 8 years in intestine
