Intestinal & Intestinal-tissue nematodes Flashcards
Nematodes are also known as
roundworms
They are multicellular and contain internal organ system such as digestive and reproductive
Helminths
T or F: Female maybe Oviparous or VIVIPAROUS
TRUE
complete the description: Roundworms are _____, cylindrical in shape with _______ _______ and _______.
Elongated, bilaterally symmetry and unsegmented
If nematodes have complete digestive system, what is the other system that they lack?
Circulatory
What is their sensory organ known as?
chemoreceptor
What are the 5 developmental stages of intestinal nematodes?
Egg > 1st L > 2nd L > 3rd L > Adult
What type of intestinal nematodes has caudal chemoreceptors?
PHASMIDS
What type of intestinal nematodes lacks caudal chemoreceptors?
Aphasmids
What are the species with caudal chemoreceptors under phasmids?
W.bancroti
B.malayi
Hookworm
S.stercoralis
What are the species under aphasmids?
Trichuris-Capillaria-Trichinella
What are the 2 characteristics of nematodes according to habitat?
- Intestinal nematodes - involved in intestinal tract
- Extra intestinal nematodes - migrate to tissues
What are the 2 characteristics of nematodes according to habitat?
- Intestinal nematodes - involved in intestinal tract
- Extra intestinal nematodes - migrate to tissues