Term
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Definition
May be free living or parasitic
Unsegmented,elongated and cylindrical
Alimentary canal present
Sexes seperate |
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Term
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Definition
Elongate flat body
Presence of a scolex and 4 suckers
Strobila (body) and proglottids
Genitally independent;hermaphrodites |
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Term
|
Definition
Dorso ventrally flattened
Hermaphrodites
Leaf like |
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Term
|
Definition
Four pairs of legs
body divided by cephalo-thorax and abdomen
Palps, no antennae
Order acari |
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Term
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Definition
| Infective form found in a sporulated oocyst |
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Term
|
Definition
| Form which feeds and grows |
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Term
|
Definition
| Form which divides rapidly |
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Term
|
Definition
| Form which divides slowly |
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Term
|
Definition
| A type of asexual reproduction, in which the nucleus divides repeatedly . Stops at a fixed number of repetitions, exponential increase in the number of zoites. Have a short generation time |
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Term
|
Definition
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Term
Spirocerca lupi L3
Esophageal worm
Spiruroidea |
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Definition
Final host: Dogs, wolves, coyotes, foxes, hyenas, jag etc.
Intermediate host: dung beetle
Paratenic: chickens, birds, and lizards
Adults: 8cm in length
Eggs: 30-35
Indirect L3 infective |
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Term
Spirocerca lupi L3
Indirect |
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Definition
| Migrates through celiac art. to thoracic aorta to esophagus. Cause granulomas, osteosarcoma, spondylosis, osteopathy and aortic lesions |
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Term
Physaloptera spp. L3
Indirect |
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Definition
Final hosts: Dogs and cats
Intermediate host:Beetles etc.
Adults are 4-6cm/eggs oval 45
Indirect L3, rests in the stomach of the host.Strong forcep teeth which allow it to latch on to stomach. |
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Term
|
Definition
| Causes dysphagea and blood in the feces, catarrhal |
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Term
Toxocara canis
Common roundworm
Ascarididae |
|
Definition
Adults 10 cm (large) eggs resistant/num.
Round,brown,pitted shell 85-75
Common routes: Placental, transmammary, per os, paratenic,
L2, hepatic tracheal migration to the small intestine
Can cause pneumonia, hypersenstitization, diarrhea, vomit, pot belly appearance, Visceral larva migrans |
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Term
Toxocara cati L2
Common round worm on cats |
|
Definition
| Large white 10cm, Per os (hepatic tracheal migration), transmammary, paratenic host. Pneumonia, eosinophila, intestinal obstruction, VLM rare |
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Term
|
Definition
Milder version of toxacara canis, eggs are slightly ovoid with a thick shell.Per os and paratenic only.
Small intestine. No migration and |
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Term
Ancylostoma caninum L3
Direct
Hookworm |
|
Definition
Final hosts: Dogs and foxes. Humans (not full maturity;eosinophilic enteritis)
Large buccal capsule with 3 pairs of teeth
1-2cm |
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