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Flashcards in Para Lec - Helminths Deck (40)
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1

classes of helminths

nematoda
cestoda
trematoda

2

classes of helminths
flukes

trematoda

3

classes of helminths
tapeworms

cestoda

4

classes of helminths
roundworms

nematoda

5

trematodes in venous system

schistosoma

6

trematodes in biliary tract

clonorchis, fasciola

7

trematodes in lungs

paragonimus

8

examples of cestodes (3)

Taenia saginata
Taenia solium
Hymenolepis nana

9

female and male in same worm

monoecious

10

classes of helminth
each segment contain a complete organ system

tapeworm
cestodes

11

classes of helminth
true roundworms

nematodes

12

classes of helminth
unsegmented
elongated
cylindrical in shape

nematodes

13

classes of helminth
not flat, without skeleteon

nematodes

14

why are nematodes distended if they have no skeleton

there's fluid

15

sexes are separate

dioecious

16

classification of female adult worms (3)

oviparous
larviparous
parthenogenetic

17

classification of female adult worms
egg laying

oviparous

18

classification of female adult worms
larva releasing

larviparous

19

classification of female adult worms
can self-fertilize

parthenogenetic

20

ex of oviparous

Ascaris lumbricoides, Trichuris trichiuria, Enterobius vermicularis

21

ex of larviparous

Trichinella spiralis

22

ex of parthenogenetic

Strongyloides stercoralsi

23

describe posterior end of most female helminths

pointed

24

describe posterior end of most male helminths

curved

25

hairlike structure found in posterior end of males for copulation

copulatory spicule

26

midway ring structure found in females especially Ascaris

genital girdle or genital ring

27

5 stages of Ascaris lumbricoides

egg
L1 = Rhabditiform larvae
L2 = No designation
L3 = Filariform larvae
Adult worm

28

class of nematodes without chemoreceptors

class Aphasmidia

29

class of nematodes with chemoreceptors

class phasmidia

30

class Aphasmidia, parasitize small intestine

Trichinella spiralis
Capillaria philippinensis

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