1. Prepared by: Nancy Osman Lecturer of Parasitology
Phylum Platy Helminthes
Class Trematoda
Trematoda
Prepared by:
Nancy Osman
Lecturer of Parasitology

2. Research requirements:
The subject should be covered in a maximum of 15 papers.
Includes colored photos
References and text book sources should be mentioned
Provided with foldered hard copy and soft copy

3. Topics Fasciola gigantica and hepatica. Heterophyes heterophyes
Schistosoma haematobium
Schistosoma mansoni
Taenia saginata
Taenia solium
Hydayid
hymenolepis nana
Ascaris Lumbercoides
Enterobuis vermicularis
Ancylostoma duedenale
Strongloides stercoralis

4. Topics Trichuris Trichinella spiralis Dracanculus medinesis
Wunchereria bancrofti
Entamoeba histolytice
Giardia lamblia
Trichomonas vaginalis

5. Topics Leishmaniasis African trypanosomiasis American tryoanosomiasis
Malaria
Toxoplasmosis
Myiasis
Lice
Sarcoptes scabie

6. Adult Fasciola gigantica
Morphology
Adult Fasciola gigantica
Size: 4-6 cm x 1.5 cm
Shape: Leaf like
Body  ant. Conical part : small
 shoulder :not prominent
 parallel border
Suckers  small oral
 large ventral

7. Adult Fasciola hepatica
Size: 3 x 1.3 cm
Body
Ant cone: large
Shoulder: prominent
Lateral margins: converging
Suckers: equal in size
Intestinal caecae: simple medial branches
Testes: extend to the post.1/3 of the worm.

8. Fasciola egg Size : 140x70 µ Shape : oval thin, operculated
Colour : yellowish brown
Contents: immature

9. Fasciola cercaria

10. Morphology of Heterophyes hetorophyes Adult
Size: (1.5 x 0.5 mm)
Shape: pear-shaped.
Suckers: (three)
Oral: ant. Small
Ventral: middle of body
Genital: P/L to ventral
Intestinal caecae: 2 simple.

11. Morphology of Heterophyes eggs
Size: 30x 15 µ
Shell: Thick, operculate
Colour: brown
Contents: mature miracidium

12. Adult Schistosomes Sexes : separate Female: cylinderical
Male: flattened, folded (gynaecophoric canal).
Suckers: oral & ventral smaller in females.

13. Male S. mansoni 10x 1 mm 8x1 mm Fine tubercles course tubercles
S. haematobium
S. mansoni
10x 1 mm
8x1 mm
3-5 testes in a line
6-9 testes in cluster
Fine tubercles
course tubercles

14. Female S. mansoni 20x0.2 mm 14x0.15 mm Ovary post 1/3 ovary ant. 1/3
S. haematobium
S. mansoni
20x0.2 mm
14x0.15 mm
Ovary post 1/3
ovary ant. 1/3
Vit. gl. Post 1/3
vit. gl post 2/3

15. tanslucent, non operculated
Egg
S. haematobium
S. mansoni
Size
140x 60 
150x60 
Shape
Oval
terminal spine
Lateral spine
Shell
tanslucent, non operculated
Content
Mature embryo

16. Infective stage (Cercaria)
Formed of body and forked tail (furcocercous)