Chapter Three and Four Key Terms Flashcards Preview

Parasitology > Chapter Three and Four Key Terms > Flashcards

Flashcards in Chapter Three and Four Key Terms Deck (27):
1

Cervical alae

Lateral flattened expansions of cuticle in the region of anterior end of nematodes
(Edit if you wish to put this in normal people words)
*ANTERIOR

2

Copulatory bursa

Lateral flattened expansions of cuticle in posterior end of male nematodes
(Edit if you wish to put this in normal people words)
*POSTERIOR

3

Bursal rays

Fingerlike projections on copulatory bursa

4

Spicules

Penis of nematodes

5

Dioecious

Separate sexes

6

Oviparous nematode

Eggs produced by nematodes that contain a single cell stage

7

Ovoviviparous nematode

Eggs produced by nematodes that contain a first stage larva within egg shell

8

Larviparous nematode

Female nematode that retains eggs within the uterus and incubate them, then give birth to live larvae

9

Molt

Shed external cuticle

10

Direct life cycle

No intermediate host

11

Indirect life cycle

Nematode uses intermediate host

12

Prepatent period

Time from point of infection until a specific diagnostic stage can be recovered

13

Vermifuge

Anthelminitic that paralyzes the parasite so it passes out in feces

14

Vermicide

Anthelmintic that kills parasite and allows it to be broken down by body

15

L2 larvae

FEed, grow, and molting stage of larva

16

Parthenogenesis

Female worms capable of producing viable ova without fertilization from male worm

17

Microfilaria

Offspring of filarial worms

18

Adulticide

Drugs that kill adult stages of parasite

19

Rhabditiform esophagus

Femal worms produce larvated eggs here

20

Strongyles

Nematodes that parasitize large intestine of horses

21

Cutaneous draschiasis

Common name of Habronema

22

Summer sores

Common name of Draschia megastoma

23

Cutaneous onchocerciasis

Cuased by inflammation of microfilariae within skin

24

Thumps

Respiratory symptom of suum

25

Asymptomatic

Showing no symptoms/signs

26

Oxyurids

Pinworms

27

Neotenic

Male that resides in vagina of immature female and uterus of mature female