Introduction

Question 1

Is the study of worms affenting animals.

Answer 1

Veterinary Helminthology

Question 2

The word helminth was derived from the greek word?

Answer 2

helmins or helminthos

Question 3

Phyla of veterinary importance:

Answer 3

Platyhelminthes(flatworms)
Nemathelminthes(roundworms)
Acanthocephala(thornyheaded worms)

Question 4

Phylum platyhelminthes characteristics

Answer 4

-Dorso-ventrally flat
-Usually hermaphroditic (bisexual -male and female reproductive organs in one individual)
-Solid body (no body cavity/space)
-Organs embedded in tissues called parenchyma
-Excretory organs- flame cells or solenocytes and collecting ducts
- Respiratory and circulatory systems are absent
- Life cycle may be direct (no intermediate host) or indirect (with intermediate intermediate host)

Question 5

Phylum platyhelminthes characteristics

Answer 5

-Dorso-ventrally flat
-Usually hermaphroditic (bisexual -male and female reproductive organs in one individual)
-Solid body (no body cavity/space)
-Organs embedded in tissues called parenchyma
-Excretory organs- flame cells or solenocytes and collecting ducts
- Respiratory and circulatory systems are absent
- Life cycle may be direct (no intermediate host) or indirect (with intermediate intermediate host)

Question 6

Classes of Phylum Platyhelminthes

Answer 6

Trematoda (flukes) (Syn. Digenea)
Cestoda (Tapeworms.

Question 7

Monozoic (single body); present alimentary canal; parasitic

Answer 7

Trematoda(flukes)

Question 8

Usually polyzoic (multiple bodies); segmented body(stobila) from few to thousand segments(proglottids); absent alimentary canal; parasitic

Answer 8

Cestoda(Tapeworms)