Nematodes Flashcards
Body covering of nematodes that protects parasite from digestion
Cuticle
Nematodes are segmented or unsegmented?
Unsegmented
Nematodes are diecious or monoecious
Diecious
Causative agent of disease of the poverty
Ascaris lumbricoides
Roundworm
Nematodes
Juvenile form of nematodes
Larvae
Copulation, mating worms
Spicule
True or false.
All nematodes are amphids.
True
Cephalic chemoreceptors
Amphids
All nematodes are Phasmids except
Trichinella spiralis
Trichuris trichiura
Capillaria philippinensis
Common name of Ascaris lumbricoides
Giant intestinal roundworm
Caudal chemoreceptors
Phasmids
Substitute of Phasmids
Stichocytes
Thick, nitrogen containing polysaccharide coating
Chitin
Most erratic nematodes
Ascaris lumbricoides
All nematodes live in small intestine except
Enterobius vermicularis
Trichuris trichiura
Infective stage of Ascaris
Embryonated egg
Mammiloid layer.
Albuminoid
Habitat of Ascaris
Small intestine
Worm ball is caused by
Ascaris lumbricoides
Common name of Enterobius vermicularis
Seatworm or pinworms
Nematodes have (complete, incomplete) digestive tract and reproductive system
Complete
Transmission wherein infected pinworm eggs are ingested by the infected individual via hand to mouth contamination
Autoreinfection
1 female as ascaris can lay how many eggs per day
250,000/day
Habitat of Enterobius
Large intestine
Worm of civilization
Enterobius vermicularis
Infective stage of Enterobius
Embryonated egg
MOT of ascaris
Ingestion
Enterobius vermicularis causes
Pruritis ani
Unique part of Enterobius vermicularis
Cephalic alae or lateral wings
Barrel, foot ball or lemon shaped egg with prominent bipolar plugs
Trichuris trichiura
Infected pinworm eggs that migrate back to the hist body
Retroinfection
1female Enterobius can lay how many eggs
11,000/day
Common name of Trichuris trichiura
Whipworm
Habitat of T. Trichiura
Large intestine
Infective stage of Trichuris
Embryonated egg
Significant characteristic of Male Trichuris
360 degree curved tail
Trichuris can caused
Rectal prolapse
Anemia
Common name of Capillaria philippinensis
Mystery worm
Pudoc worm
Capillaria philippinensis can caused
Borborygmus
MOT of Enterobius
Ingestion or inhalation
Habitat of Capillaria
Small intestine
Intermediate host of Capillaria
Fishes: Ipon Birut Bagsung Bagtu
Common name of N. americanus
New world hookworm
Shortest hookworm
Ancylostoma braziliense
Diagnostic stage of Capillaria
Fertilized or unfertilized egg
Guitar shaped with flat bipolar plugs
Capillaria philippinensis
Blood sucking nematodes
Hookworm
Common name of Ancylostoma duodenale
Old world hookworm
Cat hookworm
Ancylostoma braziliense
Dog hookworm
Ancylostoma caninum
Human hookworm
Necator americanus
Ancylostoma duodenale
Habitat of human hookworm
Small intestine
3rd largest hookworm
Necator americanus
Infective stage of human hookworm
Filariform larvae
MOT of human hookworm
Skin penetration
Feeding stage of hookworm
Rhabditiform larvae
Adult hookworms are differentiated through their
Buccal cavity
Body curvature of Ancylostoma duodenale
C-shaped
Lung larval migration of Ascaris
Loaffler’s syndrome
Hookworm can caused what type of anemia
Iron deficiency anemia
Lung larval migration of hookworm
Wakana disease
Bursa of N. americanus
Bipartite
Buccal cavity of N. Americanus
Semilunar cutting plate
Animal hookworm
Ancylostoma braziliense
Ancylostoma caninum
Body curvature of N. americanus
S-shaped
Buccal cavity of Ancylostoma duodenale
2 pairs of teeth
Buccal cavity of Ancylostoma braziliense
2 pairs
MOT of Strongyloides stercoralis
Skin penetration
American murderer
Necator americanus
Buccal cavity of Ancylostoma caninum
3pairs
Common name of Trichinella spiralis
Trichina worm
Muscle worm
Animal hookworm can caused
Cutaneous larva migrans
Infective stage of Strongyloides stercoralis
Filariform larvae
Infective stage of Angiostrongylus cantonensis
L3
Common name of Strongyloides stercoralis
Thread worm
Habitat of Strongyloides stercoralis
Small intestine
Diagnostic stage of Strongyloides stercoralis
Filariform
Rhabditiform
Strongyloides stercoralis can caused
Cochin China diarrhea
Wakana disease
2nd longest hookworm
Ancylostoma duodenale
Habitat of Trichinella spiralis
Larvae-muscle
Adult-small intestine
Specimen of Trichinella spiralis
Muscle biopsy
The great imitator
Trichinella spiralis
Longest nematodes
Dracunculus medinensis
Habitat of Dracunculus medinensis
Subcutaneous tissue
Tissue nematodes
Trichinella spiralis
Dracunculus medinensis
Distinguishing characteristics of Filariform larvae Strongyloides stercoralis
Notch tail
Fork tail
Infective stage of D. medinensis
L3
Common name of Angiostrongylus cantonensis
Rat lung worm
Incidental host of Angiostrongylus cantonensis
Man
Has uterine tubules that spirally surrounds the intestine
Barber pole pattern
Female adult Angiostrongylus cantonensis
Intermediate host of Angiostrongylus cantonensis
Snails,
Slugs
Common name of D. medinensis
Guinea worm
Dragon worm
Worm of medina
Fiery serpent of ancient Israelites
Pathology of Angiostrongylus cantonensis
Eosinophilic meningitis
Definitive host of Angiostrongylus cantonensis
Rat
Has well developed caudal bursa which is kidney shaped and single lobe
Male Adult Angiostrongylus cantonensis
Bursa of Ancylostoma duodenale
Tripartite
Smallest nematodes
Strongyloides stercoralis
Infective stage and diagnostic stage of Trichinella spiralis
Encysted larvae
Infective stage of Capillaria
Larvae
Intermediate host of D. medinensis
Copepod
Diagnostic stage of Enterobius
D shaped embryonated egg
Adult worm
Pregnant female nematodes
Gravid
Scientific name of ipon
Hypselotris bipartita
Nematodes with lung larval migration
Ascaris
Strongyloides
Hookworm